diff --git a/bin/.gitignore b/bin/.gitignore
old mode 100755
new mode 100644
diff --git a/build.sh b/build.sh
index 79d3412..496c897 100755
--- a/build.sh
+++ b/build.sh
@@ -1,36 +1,6 @@
 #!/bin/sh
-if [ -z $PROJECT_DIR ]; then
-	PROJECT_DIR=$(pwd)
-fi
 
-if [ -z $CFLAGS ]; then
-	CFLAGS="-pedantic -s -Os -Wall -Wextra -D_GNU_SOURCE -D_DEFAULT_SOURCE -D_BSD_SOURCE"
-fi
-
-if [ -z $CC ]; then
-	CC=cc
-fi
-
-if [ -z $projects ]; then
-	projects="editors sysutils-linux init console-tools coreutils findutils networking loginutils procps"
-fi
-
-#Compile
-for project in $projects; do
-	echo "Chdir" $project
-
-	for p in src/$project/*; do
-		echo "  * Makeing" $p
-
-		for i in $p; do
-			cd $PROJECT_DIR/$i
-			echo "   * Compile" $i
-			chmod -v +x build.sh
-			env CC=$CC CFLAGS="$CFLAGS -I$PROJECT_DIR -I$PROJECT_DIR/include/libmu" OUTPUT="$PROJECT_DIR"/bin/ ./build.sh
-			cd $PROJECT_DIR
-		done
-		echo -ne "\n"
-	done
+for i in $(ls src); do
+	echo "CC $i"
+	cc -s -Os -Wextra -Wall -pedantic -I. -Iinclude src/$i -o bin/$(basename $i .c)
 done
-
-chmod -vR a+x bin/
diff --git a/config.h b/config.h
index 1a04884..379ef0e 100644
--- a/config.h
+++ b/config.h
@@ -2,7 +2,7 @@
 #define _CONFIG_H
 
 /* (cat tee wc xargs rev split cp) text buffer */
-#define BUF_SIZE 1024 * 1024
+#define BUF_SIZE 512 * 512
 
 #ifdef _SHRED_C
 	/* source of random (shred) */
diff --git a/include/libmu/duration.h b/include/duration.h
similarity index 100%
rename from include/libmu/duration.h
rename to include/duration.h
diff --git a/include/libmu/get_stat.h b/include/get_stat.h
similarity index 100%
rename from include/libmu/get_stat.h
rename to include/get_stat.h
diff --git a/include/libmu/human.h b/include/human.h
similarity index 100%
rename from include/libmu/human.h
rename to include/human.h
diff --git a/include/libmu/make_path.h b/include/make_path.h
similarity index 100%
rename from include/libmu/make_path.h
rename to include/make_path.h
diff --git a/include/libmu/mode_to_str.h b/include/mode_to_str.h
similarity index 100%
rename from include/libmu/mode_to_str.h
rename to include/mode_to_str.h
diff --git a/include/libmu/mu_strlen.h b/include/mu_strlen.h
similarity index 100%
rename from include/libmu/mu_strlen.h
rename to include/mu_strlen.h
diff --git a/include/libmu/parse_mode.h b/include/parse_mode.h
similarity index 100%
rename from include/libmu/parse_mode.h
rename to include/parse_mode.h
diff --git a/include/libmu/parse_mount.h b/include/parse_mount.h
similarity index 100%
rename from include/libmu/parse_mount.h
rename to include/parse_mount.h
diff --git a/include/libmu/proc_parser.h b/include/proc_parser.h
similarity index 95%
rename from include/libmu/proc_parser.h
rename to include/proc_parser.h
index e39f59d..eeeac30 100644
--- a/include/libmu/proc_parser.h
+++ b/include/proc_parser.h
@@ -14,6 +14,7 @@
 
 struct mu_proc {
 	/* from status */
+	char prog[PATH_MAX + 1];
 	uid_t uid;
 	gid_t gid;
 
@@ -82,7 +83,10 @@ int mu_proc_status(const char *prog_name, const pid_t pid, struct mu_proc *proc_
 			val++;
 
 		/* Write values */
-		if (!strncmp(token, "Uid", 3))
+		if (!strncmp(token, "Name", 4))
+			strcpy(proc_s->prog, val);
+
+		else if (!strncmp(token, "Uid", 3))
 			proc_s->uid = strtoul(val, 0L, 10);
 
 		else if (!strncmp(token, "Gid", 3))
diff --git a/include/libmu/pw_check.h b/include/pw_check.h
similarity index 100%
rename from include/libmu/pw_check.h
rename to include/pw_check.h
diff --git a/include/libmu/recurse.h b/include/recurse.h
similarity index 99%
rename from include/libmu/recurse.h
rename to include/recurse.h
index 0c8a0df..177b178 100644
--- a/include/libmu/recurse.h
+++ b/include/recurse.h
@@ -8,7 +8,6 @@
 #include "get_stat.h"
 
 int mu_recurse(const char *restrict prog_name, int link_flag, const char *restrict path, void *restrict arg, int (*file_act)(const char *path, void *p), int (*dir_act)(const char *path, void *p)) {
-
 	struct stat sb;
 	if (mu_get_stats(prog_name, link_flag, path, &sb))
 		return 1;
diff --git a/include/libmu/unused.h b/include/unused.h
similarity index 100%
rename from include/libmu/unused.h
rename to include/unused.h
diff --git a/src/coreutils/bdname/bdname.c b/src/bdname.c
similarity index 100%
rename from src/coreutils/bdname/bdname.c
rename to src/bdname.c
diff --git a/src/coreutils/cat/cat.c b/src/cat.c
similarity index 100%
rename from src/coreutils/cat/cat.c
rename to src/cat.c
diff --git a/src/coreutils/chgrp/chgrp.c b/src/chgrp.c
similarity index 100%
rename from src/coreutils/chgrp/chgrp.c
rename to src/chgrp.c
diff --git a/src/coreutils/chmod/chmod.c b/src/chmod.c
similarity index 100%
rename from src/coreutils/chmod/chmod.c
rename to src/chmod.c
diff --git a/src/coreutils/chown/chown.c b/src/chown.c
similarity index 100%
rename from src/coreutils/chown/chown.c
rename to src/chown.c
diff --git a/src/coreutils/chroot/chroot.c b/src/chroot.c
similarity index 100%
rename from src/coreutils/chroot/chroot.c
rename to src/chroot.c
diff --git a/src/console-tools/clear/clear.c b/src/clear.c
similarity index 100%
rename from src/console-tools/clear/clear.c
rename to src/clear.c
diff --git a/src/coreutils/cmp/cmp.c b/src/cmp.c
similarity index 80%
rename from src/coreutils/cmp/cmp.c
rename to src/cmp.c
index 9489365..2696e97 100644
--- a/src/coreutils/cmp/cmp.c
+++ b/src/cmp.c
@@ -5,7 +5,7 @@
 #include <stdlib.h>
 char s_flag;
 
-int compare(FILE *fp1, FILE *fp2) {
+int compare(FILE *fp1, FILE *fp2, const char *s1, const char *s2) {
 	if (fp1 == fp2)
 		return 0;
 
@@ -18,7 +18,17 @@ int compare(FILE *fp1, FILE *fp2) {
 		ch1 = getc(fp1);
 		ch2 = getc(fp2);
 
-		if (ch1 != ch2) {
+		if (ch1 == EOF) {
+			printf("EOF on %s\n", s1);
+			return 1;
+		}
+
+		else if (ch2 == EOF) {
+			printf("EOF on %s\n", s2);
+			return 1;
+		}
+
+		else if (ch1 != ch2) {
 			if (!s_flag)
 				printf("files differ at byte %zu and line %zu\n", byte, lines);
 
@@ -52,7 +62,7 @@ FILE *file_open(const char *path) {
 	FILE *fp = fopen(path, "r");
 	if (fp == NULL) {
 		fprintf(stderr, "cmp: %s\n", strerror(errno));
-		exit(1);
+		return NULL;
 	}
 
 	return fp;
@@ -82,6 +92,9 @@ int main(int argc, char **argv) {
 	FILE *fp1 = NULL;
 	FILE *fp2 = stdin;
 
+	char *s1 = "-";
+	char *s2 = "-";
+
 	switch (argc) {
 		case 4:
 			skip2 = parse_int(argv[3]);
@@ -92,11 +105,21 @@ int main(int argc, char **argv) {
 			/* fallthrough */
 
 		case 2:
+			s2 = argv[1];
 			fp2 = file_open(argv[1]);
+			if (fp2 == NULL)
+				exit(1);
+
 			/* fallthrough */
 
 		case 1:
+			s1 = argv[0];
 			fp1 = file_open(argv[0]);
+			if (fp1 == NULL) {
+				fclose(fp2);
+				exit(1);
+			}
+
 			break;
 
 		default:
@@ -118,7 +141,7 @@ int main(int argc, char **argv) {
 		return 1;
 	}
 
-	int ret = compare(fp1, fp2);
+	int ret = compare(fp1, fp2, s1, s2);
 	fclose(fp1);
 	fclose(fp2);
 
diff --git a/src/console-tools/clear/build.sh b/src/console-tools/clear/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/console-tools/clear/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/console-tools/reset/build.sh b/src/console-tools/reset/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/console-tools/reset/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/bdname/build.sh b/src/coreutils/bdname/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/bdname/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/cat/build.sh b/src/coreutils/cat/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/cat/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/chgrp/build.sh b/src/coreutils/chgrp/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/chgrp/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/chmod/build.sh b/src/coreutils/chmod/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/chmod/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/chown/build.sh b/src/coreutils/chown/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/chown/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/chroot/build.sh b/src/coreutils/chroot/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/chroot/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/cmp/build.sh b/src/coreutils/cmp/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/cmp/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/cp/build.sh b/src/coreutils/cp/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/cp/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/date/build.sh b/src/coreutils/date/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/date/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/dd/build.sh b/src/coreutils/dd/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/dd/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/df/build.sh b/src/coreutils/df/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/df/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/du/build.sh b/src/coreutils/du/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/du/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/echo/build.sh b/src/coreutils/echo/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/echo/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/env/build.sh b/src/coreutils/env/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/env/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/false/build.sh b/src/coreutils/false/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/false/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/head/build.sh b/src/coreutils/head/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/head/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/id/build.sh b/src/coreutils/id/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/id/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/ln/build.sh b/src/coreutils/ln/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/ln/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/ls/build.sh b/src/coreutils/ls/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/ls/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/mkdir/build.sh b/src/coreutils/mkdir/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/mkdir/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/mknod/build.sh b/src/coreutils/mknod/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/mknod/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/mktemp/build.sh b/src/coreutils/mktemp/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/mktemp/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/mv/build.sh b/src/coreutils/mv/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/mv/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/nice/build.sh b/src/coreutils/nice/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/nice/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/nohup/build.sh b/src/coreutils/nohup/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/nohup/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/nproc/build.sh b/src/coreutils/nproc/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/nproc/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/printenv/build.sh b/src/coreutils/printenv/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/printenv/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/pwd/build.sh b/src/coreutils/pwd/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/pwd/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/readlink/build.sh b/src/coreutils/readlink/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/readlink/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/renice/build.sh b/src/coreutils/renice/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/renice/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/rm/build.sh b/src/coreutils/rm/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/rm/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/seq/build.sh b/src/coreutils/seq/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/seq/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/setsid/build.sh b/src/coreutils/setsid/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/setsid/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/shred/build.sh b/src/coreutils/shred/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/shred/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/sleep/build.sh b/src/coreutils/sleep/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/sleep/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/split/build.sh b/src/coreutils/split/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/split/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/sync/build.sh b/src/coreutils/sync/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/sync/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/tee/build.sh b/src/coreutils/tee/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/tee/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/time/build.sh b/src/coreutils/time/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/time/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/touch/build.sh b/src/coreutils/touch/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/touch/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/true/build.sh b/src/coreutils/true/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/true/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/tty/build.sh b/src/coreutils/tty/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/tty/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/uname/build.sh b/src/coreutils/uname/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/uname/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/wc/build.sh b/src/coreutils/wc/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/wc/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/whoami/build.sh b/src/coreutils/whoami/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/coreutils/whoami/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/cp/cp.c b/src/cp.c
similarity index 100%
rename from src/coreutils/cp/cp.c
rename to src/cp.c
diff --git a/src/loginutils/cryptpw/cryptpw.c b/src/cryptpw.c
similarity index 100%
rename from src/loginutils/cryptpw/cryptpw.c
rename to src/cryptpw.c
diff --git a/src/coreutils/date/date.c b/src/date.c
similarity index 100%
rename from src/coreutils/date/date.c
rename to src/date.c
diff --git a/src/coreutils/dd/dd.c b/src/dd.c
similarity index 100%
rename from src/coreutils/dd/dd.c
rename to src/dd.c
diff --git a/src/coreutils/df/df.c b/src/df.c
similarity index 100%
rename from src/coreutils/df/df.c
rename to src/df.c
diff --git a/src/sysutils-linux/dmesg/dmesg.c b/src/dmesg.c
similarity index 100%
rename from src/sysutils-linux/dmesg/dmesg.c
rename to src/dmesg.c
diff --git a/src/coreutils/du/du.c b/src/du.c
similarity index 100%
rename from src/coreutils/du/du.c
rename to src/du.c
diff --git a/src/coreutils/echo/echo.c b/src/echo.c
similarity index 100%
rename from src/coreutils/echo/echo.c
rename to src/echo.c
diff --git a/src/editors/que/build.sh b/src/editors/que/build.sh
deleted file mode 100755
index 343d4bf..0000000
--- a/src/editors/que/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo *.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/env/env.c b/src/env.c
similarity index 100%
rename from src/coreutils/env/env.c
rename to src/env.c
diff --git a/src/coreutils/false/false.c b/src/false.c
similarity index 100%
rename from src/coreutils/false/false.c
rename to src/false.c
diff --git a/src/findutils/grep/build.sh b/src/findutils/grep/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/findutils/grep/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/findutils/xargs/build.sh b/src/findutils/xargs/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/findutils/xargs/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/findutils/grep/grep.c b/src/grep.c
similarity index 100%
rename from src/findutils/grep/grep.c
rename to src/grep.c
diff --git a/src/coreutils/head/head.c b/src/head.c
similarity index 100%
rename from src/coreutils/head/head.c
rename to src/head.c
diff --git a/src/networking/hostname/hostname.c b/src/hostname.c
similarity index 100%
rename from src/networking/hostname/hostname.c
rename to src/hostname.c
diff --git a/src/coreutils/id/id.c b/src/id.c
similarity index 100%
rename from src/coreutils/id/id.c
rename to src/id.c
diff --git a/src/init/init/init.c b/src/init.c
similarity index 100%
rename from src/init/init/init.c
rename to src/init.c
diff --git a/src/init/init/build.sh b/src/init/init/build.sh
deleted file mode 100755
index 3789ff3..0000000
--- a/src/init/init/build.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
-cp reboot $OUTPUT/reboot
-cp poweroff $OUTPUT/poweroff
diff --git a/src/init/init/poweroff b/src/init/init/poweroff
deleted file mode 100644
index 9784dcb..0000000
--- a/src/init/init/poweroff
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-kill -s USR1 1
diff --git a/src/init/init/reboot b/src/init/init/reboot
deleted file mode 100644
index 3612dd2..0000000
--- a/src/init/init/reboot
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-kill -s USR2 1
diff --git a/src/procps/kill/kill.c b/src/kill.c
similarity index 65%
rename from src/procps/kill/kill.c
rename to src/kill.c
index fbce6f5..ff98060 100644
--- a/src/procps/kill/kill.c
+++ b/src/kill.c
@@ -5,6 +5,7 @@
 #include <signal.h>
 #include <dirent.h>
 #include <unistd.h>
+#include "proc_parser.h"
 
 typedef struct {
 	const char *name;
@@ -58,11 +59,12 @@ int my_kill(pid_t pid, int signal) {
 }
 
 int main(int argc, char **argv) {
-	unsigned int a_flag = 0;
+	char a_flag = 0;
+	char n_flag = 0;
 	int signal = SIGTERM;
 
 	int opt;
-	while ((opt = getopt(argc, argv, "s:la")) != -1) {
+	while ((opt = getopt(argc, argv, "s:lan")) != -1) {
 		switch (opt) {
 			case 'l':
 				for (size_t i = 0; i < sizeof(signals) / sizeof(signals[0]); i++)
@@ -78,8 +80,12 @@ int main(int argc, char **argv) {
 				a_flag = 1;
 				break;
 
+			case 'n':
+				n_flag = 1;
+				break;
+
 			default:
-				printf("kill [lsa] [pid1 pid2...]\n\t-s SIG\n\t-l List all signals\n\t-a Kill all process\n");
+				printf("kill [lsan] [pid1 pid2/str1...]\n\t-s SIG\n\t-l List all signals\n\t-a Kill all process\n\t-n STR kill processes by name\n");
 				return 0;
 		}
 	}
@@ -87,9 +93,14 @@ int main(int argc, char **argv) {
 	argv += optind;
 	argc -= optind;
 
+	if ((n_flag || !a_flag) && argc == 0) {
+		fprintf(stderr, "kill: missing operands\n");
+		return 1;
+	}
+
 	int ret = 0;
 
-	if (a_flag) {
+	if (a_flag || n_flag) {
 		DIR *dp = opendir("/proc");
 		if (dp == NULL) {
 			fprintf(stderr, "kill: /proc: %s\n", strerror(errno));
@@ -100,24 +111,38 @@ int main(int argc, char **argv) {
 
 		struct dirent *ep;
 		while ((ep = readdir(dp)) != NULL) {
-			pid_t pid = atoi(ep->d_name);
-			if (pid == 0 || pid == my_pid)
+			pid_t pid = strtoul(ep->d_name, 0L, 10);
+			if (pid == 0)
 				continue;
 
-			if (my_kill(pid, signal))
-				ret = 1;
+			if (n_flag) {
+				struct mu_proc proc;
+				if (mu_proc_parser("kill", pid, &proc))
+					ret = 1;
+
+				for (int i = 0; i < argc; i++) {
+					if (!strcmp(proc.prog, argv[i]))
+						if (my_kill(pid, signal))
+							ret = 1;
+				}
+			}
+
+			else if (a_flag) {
+				if (pid == my_pid)
+					continue;
+
+				if (my_kill(pid, signal))
+					ret = 1;
+			}
 		}
 
 		closedir(dp);
 	}
 
-
 	else {
-		for (int i = 0; i < argc; i++) {
-			pid_t pid = atoi(argv[i]);
-			if (my_kill(pid, signal))
+		for (int i = 0; i < argc; i++)
+			if (my_kill(strtoul(argv[i], 0L, 10), signal))
 				ret = 1;
-		}
 	}
 
 	return ret;
diff --git a/src/coreutils/ln/ln.c b/src/ln.c
similarity index 100%
rename from src/coreutils/ln/ln.c
rename to src/ln.c
diff --git a/src/loginutils/login/login.c b/src/login.c
similarity index 100%
rename from src/loginutils/login/login.c
rename to src/login.c
diff --git a/src/loginutils/cryptpw/build.sh b/src/loginutils/cryptpw/build.sh
deleted file mode 100755
index 7bb1991..0000000
--- a/src/loginutils/cryptpw/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC -lcrypt
diff --git a/src/loginutils/login/build.sh b/src/loginutils/login/build.sh
deleted file mode 100755
index 7bb1991..0000000
--- a/src/loginutils/login/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC -lcrypt
diff --git a/src/loginutils/su/build.sh b/src/loginutils/su/build.sh
deleted file mode 100755
index 7bb1991..0000000
--- a/src/loginutils/su/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC -lcrypt
diff --git a/src/coreutils/ls/ls.c b/src/ls.c
similarity index 100%
rename from src/coreutils/ls/ls.c
rename to src/ls.c
diff --git a/src/miscutils/spark/build.sh b/src/miscutils/spark/build.sh
deleted file mode 100644
index 0ea3f65..0000000
--- a/src/miscutils/spark/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) -lm | xargs $CC
diff --git a/src/coreutils/mkdir/mkdir.c b/src/mkdir.c
similarity index 100%
rename from src/coreutils/mkdir/mkdir.c
rename to src/mkdir.c
diff --git a/src/coreutils/mknod/mknod.c b/src/mknod.c
similarity index 100%
rename from src/coreutils/mknod/mknod.c
rename to src/mknod.c
diff --git a/src/coreutils/mktemp/mktemp.c b/src/mktemp.c
similarity index 100%
rename from src/coreutils/mktemp/mktemp.c
rename to src/mktemp.c
diff --git a/src/sysutils-linux/mount/mount.c b/src/mount.c
similarity index 100%
rename from src/sysutils-linux/mount/mount.c
rename to src/mount.c
diff --git a/src/coreutils/mv/mv.c b/src/mv.c
similarity index 100%
rename from src/coreutils/mv/mv.c
rename to src/mv.c
diff --git a/src/networking/hostname/build.sh b/src/networking/hostname/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/networking/hostname/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/nice/nice.c b/src/nice.c
similarity index 100%
rename from src/coreutils/nice/nice.c
rename to src/nice.c
diff --git a/src/coreutils/nohup/nohup.c b/src/nohup.c
similarity index 100%
rename from src/coreutils/nohup/nohup.c
rename to src/nohup.c
diff --git a/src/coreutils/nproc/nproc.c b/src/nproc.c
similarity index 100%
rename from src/coreutils/nproc/nproc.c
rename to src/nproc.c
diff --git a/src/sysutils-linux/pivot_root/pivot_root.c b/src/pivot_root.c
similarity index 100%
rename from src/sysutils-linux/pivot_root/pivot_root.c
rename to src/pivot_root.c
diff --git a/src/coreutils/printenv/printenv.c b/src/printenv.c
similarity index 100%
rename from src/coreutils/printenv/printenv.c
rename to src/printenv.c
diff --git a/src/procps/kill/build.sh b/src/procps/kill/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/procps/kill/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/procps/ps/build.sh b/src/procps/ps/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/procps/ps/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/procps/uptime/build.sh b/src/procps/uptime/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/procps/uptime/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/procps/ps/ps.c b/src/ps.c
similarity index 100%
rename from src/procps/ps/ps.c
rename to src/ps.c
diff --git a/src/coreutils/pwd/pwd.c b/src/pwd.c
similarity index 100%
rename from src/coreutils/pwd/pwd.c
rename to src/pwd.c
diff --git a/src/editors/que/que.c b/src/que.c
similarity index 100%
rename from src/editors/que/que.c
rename to src/que.c
diff --git a/src/coreutils/readlink/readlink.c b/src/readlink.c
similarity index 100%
rename from src/coreutils/readlink/readlink.c
rename to src/readlink.c
diff --git a/src/coreutils/renice/renice.c b/src/renice.c
similarity index 100%
rename from src/coreutils/renice/renice.c
rename to src/renice.c
diff --git a/src/console-tools/reset/reset.c b/src/reset.c
similarity index 100%
rename from src/console-tools/reset/reset.c
rename to src/reset.c
diff --git a/src/coreutils/rm/rm.c b/src/rm.c
similarity index 100%
rename from src/coreutils/rm/rm.c
rename to src/rm.c
diff --git a/src/coreutils/seq/seq.c b/src/seq.c
similarity index 100%
rename from src/coreutils/seq/seq.c
rename to src/seq.c
diff --git a/src/coreutils/setsid/setsid.c b/src/setsid.c
similarity index 100%
rename from src/coreutils/setsid/setsid.c
rename to src/setsid.c
diff --git a/src/coreutils/shred/shred.c b/src/shred.c
similarity index 100%
rename from src/coreutils/shred/shred.c
rename to src/shred.c
diff --git a/src/coreutils/sleep/sleep.c b/src/sleep.c
similarity index 100%
rename from src/coreutils/sleep/sleep.c
rename to src/sleep.c
diff --git a/src/miscutils/spark/spark.c b/src/spark.c
similarity index 100%
rename from src/miscutils/spark/spark.c
rename to src/spark.c
diff --git a/src/coreutils/split/split.c b/src/split.c
similarity index 100%
rename from src/coreutils/split/split.c
rename to src/split.c
diff --git a/src/loginutils/su/su.c b/src/su.c
similarity index 100%
rename from src/loginutils/su/su.c
rename to src/su.c
diff --git a/src/coreutils/sync/sync.c b/src/sync.c
similarity index 100%
rename from src/coreutils/sync/sync.c
rename to src/sync.c
diff --git a/src/sysutils-linux/dmesg/build.sh b/src/sysutils-linux/dmesg/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/sysutils-linux/dmesg/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/sysutils-linux/mount/build.sh b/src/sysutils-linux/mount/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/sysutils-linux/mount/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/sysutils-linux/pivot_root/build.sh b/src/sysutils-linux/pivot_root/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/sysutils-linux/pivot_root/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/sysutils-linux/umount/build.sh b/src/sysutils-linux/umount/build.sh
deleted file mode 100755
index 6d8974b..0000000
--- a/src/sysutils-linux/umount/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-project_dir=$(pwd)
-echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC
diff --git a/src/coreutils/tee/tee.c b/src/tee.c
similarity index 100%
rename from src/coreutils/tee/tee.c
rename to src/tee.c
diff --git a/src/coreutils/time/time.c b/src/time.c
similarity index 100%
rename from src/coreutils/time/time.c
rename to src/time.c
diff --git a/src/coreutils/touch/touch.c b/src/touch.c
similarity index 100%
rename from src/coreutils/touch/touch.c
rename to src/touch.c
diff --git a/src/coreutils/true/true.c b/src/true.c
similarity index 100%
rename from src/coreutils/true/true.c
rename to src/true.c
diff --git a/src/coreutils/tty/tty.c b/src/tty.c
similarity index 100%
rename from src/coreutils/tty/tty.c
rename to src/tty.c
diff --git a/src/sysutils-linux/umount/umount.c b/src/umount.c
similarity index 100%
rename from src/sysutils-linux/umount/umount.c
rename to src/umount.c
diff --git a/src/coreutils/uname/uname.c b/src/uname.c
similarity index 100%
rename from src/coreutils/uname/uname.c
rename to src/uname.c
diff --git a/src/procps/uptime/uptime.c b/src/uptime.c
similarity index 100%
rename from src/procps/uptime/uptime.c
rename to src/uptime.c
diff --git a/src/coreutils/wc/wc.c b/src/wc.c
similarity index 100%
rename from src/coreutils/wc/wc.c
rename to src/wc.c
diff --git a/src/coreutils/whoami/whoami.c b/src/whoami.c
similarity index 100%
rename from src/coreutils/whoami/whoami.c
rename to src/whoami.c
diff --git a/src/findutils/xargs/xargs.c b/src/xargs.c
similarity index 100%
rename from src/findutils/xargs/xargs.c
rename to src/xargs.c