diff --git a/Makefile b/Makefile
deleted file mode 100644
index 81059e2..0000000
--- a/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-CFLAGS?=-Wall -Wextra -pedantic -Ibuilder -Ilibmu -Os -s
-CC?=cc
-
-all:
-	$(CC) builder/builder.c $(CFLAGS) -obuild
-	./build
-	rm build
-
-clean:
-	rm bin/*
-	rm build
diff --git a/build.sh b/build.sh
index 8756d4d..a8fe8f7 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,22 @@
-#!/bin/sh
-cc builder/builder.c -Wall -Wextra -pedantic -Ibuilder -Ilibmu -Os -s -obuild
-./build
-rm build
+#!/bin/bash
+PROJECT_DIR=$(pwd)
+CFLAGS="-Wall -Wextra -I$PROJECT_DIR -I$PROJECT_DIR/libmu -lm"
+projects="console-tools coreutils sysutils sysutils-linux findutils networking miscutils shell loginutils procps"
+CC=cc
+
+#Compile
+for project in $projects; do
+	echo "Chdir" $project
+
+	for p in $project/*; do
+		echo "  * Makeing" $p
+
+		for i in $p; do
+			cd $PROJECT_DIR/$i
+			echo "   * Compile" $i
+			env CC=$CC CFLAGS="$CFLAGS" OUTPUT="-o $PROJECT_DIR"/bin/$(basename $i) ./build.sh
+			cd $PROJECT_DIR
+		done
+		echo
+	done
+done
diff --git a/builder/builder.c b/builder/builder.c
deleted file mode 100644
index 5bb97e9..0000000
--- a/builder/builder.c
+++ /dev/null
@@ -1,84 +0,0 @@
-#include <stdio.h>
-#include <errno.h>
-#include <dirent.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include "make_path.h"
-#include "config.h"
-
-void remove_suffix(char *base, const char *suffix) {
-	char *ptr = base + strlen(base) - strlen(suffix);
-	if (!strcmp(ptr, suffix))
-		*ptr = '\0';
-}
-
-char *MakePath(const char *src, const char *output_dir) {
-	char *dup = strdup(src);
-	if (dup == NULL) {
-		fprintf(stderr, "builder: strdup failed\n");
-		exit(1);
-	}
-
-	remove_suffix(dup, ".c");
-	char *new_path = mu_make_path("builder", output_dir, dup);
-	if (new_path == NULL) {
-		free(dup);
-		exit(1);
-	}
-
-	free(dup);
-	return new_path;
-}
-
-void Compile(const char *src, const char *output_dir) {
-	char *path = MakePath(src, output_dir);
-	printf(CC_FMT, src, path);
-
-	pid_t pid;
-	if ((pid = fork()) == 0)
-		execlp(CC, CC, CFLAGS, src, "-o", path, NULL);
-
-	else if (pid == -1) {
-		fprintf(stderr, "builder: fork failed\n");
-		exit(1);
-	}
-
-	free(path);
-
-	int status = 0;
-	waitpid(pid, &status, 0);
-	if (status)
-		exit(status);
-}
-
-void ListAndCompile(const char *dir, const char *output_dir) {
-	if (chdir(dir) < 0) {
-		fprintf(stderr, "builder: %s: %s\n", dir, strerror(errno));
-		exit(1);
-	}
-
-	printf(CHDIR_FMT, dir);
-	DIR *dp = opendir(".");
-
-	struct dirent *ep;
-	while ((ep = readdir(dp)) != NULL) {
-		if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
-			continue;
-
-		Compile(ep->d_name, output_dir);
-	}
-
-	closedir(dp);
-	chdir("..");
-}
-
-int main(void) {
-	for (size_t i = 0; i < sizeof(objects) / sizeof(char *); i++)
-		ListAndCompile(objects[i], "../bin");
-
-	return 0;
-}
diff --git a/builder/config.h b/builder/config.h
deleted file mode 100644
index 8d808b1..0000000
--- a/builder/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef _CONFIG_H
-#define _CONFIG_H
-
-const char *objects[] = {
-	"console-tools",
-	"coreutils",
-	"networking",
-	"procps",
-	"findutils",
-	"sysutils",
-	"sysutils-linux",
-	"miscutils",
-	"shell"
-};
-
-#define CHDIR_FMT "Making \033[32m%s\033[0m\n"
-#define CC_FMT "CC %10s -> %s\n"
-
-/* Need by spark */
-#define LDFLAGS "-lm"
-
-#define CFLAGS "-Wall", "-Werror", "-Wextra", "-pedantic", "-flto", "-Os", "-s", "-I../libmu", "-I../", LDFLAGS
-#define CC "cc"
-#endif
diff --git a/console-tools/clear/build.sh b/console-tools/clear/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/console-tools/clear/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/console-tools/clear.c b/console-tools/clear/clear.c
similarity index 100%
rename from console-tools/clear.c
rename to console-tools/clear/clear.c
diff --git a/console-tools/reset/build.sh b/console-tools/reset/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/console-tools/reset/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/console-tools/reset.c b/console-tools/reset/reset.c
similarity index 100%
rename from console-tools/reset.c
rename to console-tools/reset/reset.c
diff --git a/coreutils/basename.c b/coreutils/basename/basename.c
similarity index 100%
rename from coreutils/basename.c
rename to coreutils/basename/basename.c
diff --git a/coreutils/basename/build.sh b/coreutils/basename/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/basename/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/cat/build.sh b/coreutils/cat/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/cat/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/cat.c b/coreutils/cat/cat.c
similarity index 100%
rename from coreutils/cat.c
rename to coreutils/cat/cat.c
diff --git a/coreutils/chgrp/build.sh b/coreutils/chgrp/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/chgrp/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/chgrp.c b/coreutils/chgrp/chgrp.c
similarity index 99%
rename from coreutils/chgrp.c
rename to coreutils/chgrp/chgrp.c
index 821b343..2768b04 100644
--- a/coreutils/chgrp.c
+++ b/coreutils/chgrp/chgrp.c
@@ -82,5 +82,3 @@ int main(int argc, char **argv) {
 
 	return ret;
 }
-
-
diff --git a/coreutils/chmod/build.sh b/coreutils/chmod/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/chmod/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/chmod.c b/coreutils/chmod/chmod.c
similarity index 100%
rename from coreutils/chmod.c
rename to coreutils/chmod/chmod.c
diff --git a/coreutils/chown/build.sh b/coreutils/chown/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/chown/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/chown.c b/coreutils/chown/chown.c
similarity index 96%
rename from coreutils/chown.c
rename to coreutils/chown/chown.c
index bb35c56..86d3266 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown/chown.c
@@ -90,7 +90,7 @@ int main(int argc, char **argv) {
 				break;
 
 			default:
-				printf("chown USER[:[GRP]] [file1 file2...]\n\t[-H If a command line argument is a symbolic link]\n\t[-R Recursive]\n\t[-f Silent]\n");
+				printf("chown USER[:[GRP]] [file1 file2...]\n\t[-H If a command line argument is a symbolic link]\n\t[-R Recursive] [-f Silent]\n");
 				return 0;
 		}
 	}
diff --git a/coreutils/chroot/build.sh b/coreutils/chroot/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/chroot/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/chroot.c b/coreutils/chroot/chroot.c
similarity index 100%
rename from coreutils/chroot.c
rename to coreutils/chroot/chroot.c
diff --git a/coreutils/cmp/build.sh b/coreutils/cmp/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/cmp/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/cmp.c b/coreutils/cmp/cmp.c
similarity index 100%
rename from coreutils/cmp.c
rename to coreutils/cmp/cmp.c
diff --git a/coreutils/cp/build.sh b/coreutils/cp/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/cp/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/cp.c b/coreutils/cp/cp.c
similarity index 100%
rename from coreutils/cp.c
rename to coreutils/cp/cp.c
diff --git a/coreutils/dirname/build.sh b/coreutils/dirname/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/dirname/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/dirname.c b/coreutils/dirname/dirname.c
similarity index 100%
rename from coreutils/dirname.c
rename to coreutils/dirname/dirname.c
diff --git a/coreutils/du/build.sh b/coreutils/du/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/du/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/du.c b/coreutils/du/du.c
similarity index 100%
rename from coreutils/du.c
rename to coreutils/du/du.c
diff --git a/coreutils/echo/build.sh b/coreutils/echo/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/echo/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/echo.c b/coreutils/echo/echo.c
similarity index 100%
rename from coreutils/echo.c
rename to coreutils/echo/echo.c
diff --git a/coreutils/env/build.sh b/coreutils/env/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/env/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/env.c b/coreutils/env/env.c
similarity index 89%
rename from coreutils/env.c
rename to coreutils/env/env.c
index cca6670..09aa151 100644
--- a/coreutils/env.c
+++ b/coreutils/env/env.c
@@ -28,6 +28,6 @@ int main(const int argc, char **argv, const char **envp) {
 	}
 
 	execvp(argv[i], argv + i);
-	fprintf(stderr, "env: %s\n", strerror(errno));
+	fprintf(stderr, "env: %s: %s\n", argv[i], strerror(errno));
 	return 1;
 }
diff --git a/coreutils/false/build.sh b/coreutils/false/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/false/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/false.c b/coreutils/false/false.c
similarity index 100%
rename from coreutils/false.c
rename to coreutils/false/false.c
diff --git a/coreutils/head/build.sh b/coreutils/head/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/head/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/head.c b/coreutils/head/head.c
similarity index 100%
rename from coreutils/head.c
rename to coreutils/head/head.c
diff --git a/coreutils/id/build.sh b/coreutils/id/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/id/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/id.c b/coreutils/id/id.c
similarity index 100%
rename from coreutils/id.c
rename to coreutils/id/id.c
diff --git a/coreutils/ln/build.sh b/coreutils/ln/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/ln/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/ln.c b/coreutils/ln/ln.c
similarity index 100%
rename from coreutils/ln.c
rename to coreutils/ln/ln.c
diff --git a/coreutils/logname/build.sh b/coreutils/logname/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/logname/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/logname.c b/coreutils/logname/logname.c
similarity index 100%
rename from coreutils/logname.c
rename to coreutils/logname/logname.c
diff --git a/coreutils/ls/build.sh b/coreutils/ls/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/ls/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/ls.c b/coreutils/ls/ls.c
similarity index 100%
rename from coreutils/ls.c
rename to coreutils/ls/ls.c
diff --git a/coreutils/mkdir/build.sh b/coreutils/mkdir/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/mkdir/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/mkdir.c b/coreutils/mkdir/mkdir.c
similarity index 100%
rename from coreutils/mkdir.c
rename to coreutils/mkdir/mkdir.c
diff --git a/coreutils/mkfifo.c b/coreutils/mkfifo.c
deleted file mode 100644
index adf7158..0000000
--- a/coreutils/mkfifo.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-
-int main(const int argc, const char **argv) {
-	if (argc == 1) {
-		printf("mkfifo: missing operand\n");
-		return 1;
-	}
-
-	for (int i = 1; i < argc; i++) {
-		if (mkfifo(argv[i], 0666)) {
-			fprintf(stderr, "mkfifo: %s %s\n", argv[i], strerror(errno));
-			return 1;
-		}
-	}
-
-	return 0;
-}
diff --git a/coreutils/mkfifo/build.sh b/coreutils/mkfifo/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/mkfifo/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/mkfifo/mkfifo.c b/coreutils/mkfifo/mkfifo.c
new file mode 100644
index 0000000..3f858d7
--- /dev/null
+++ b/coreutils/mkfifo/mkfifo.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+long parse_long(const char *str) {
+	char *ptr = NULL;
+	long value = strtol(str, &ptr, 10);
+
+	if (*ptr) {
+		fprintf(stderr, "mkfifo: not a number: %s\n", str);
+		exit(1);
+	}
+
+	else if (value < 1) {
+		fprintf(stderr, "mknod: number is negative: %s\n", str);
+		exit(1);
+	}
+
+	return value;
+}
+
+int main(int argc, char **argv) {
+	mode_t mode = 0666;
+
+	int opt;
+	while ((opt = getopt(argc, argv, "m:")) != -1) {
+		switch (opt) {
+			case 'm':
+				mode = parse_long(optarg);
+				break;
+
+			default:
+				printf("mkfifo [file1 file2...]\n\t[-m Mode]\n");
+				return 0;
+		}
+	}
+
+	argv += optind;
+	argc -= optind;
+
+	for (int i = 0; i < argc; i++) {
+		if (mkfifo(argv[i], mode)) {
+			fprintf(stderr, "mkfifo: %s %s\n", argv[i], strerror(errno));
+			return 1;
+		}
+	}
+
+	return 0;
+}
diff --git a/coreutils/mknod/build.sh b/coreutils/mknod/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/mknod/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/mknod.c b/coreutils/mknod/mknod.c
similarity index 93%
rename from coreutils/mknod.c
rename to coreutils/mknod/mknod.c
index 6ea7ec5..5fa1ee5 100644
--- a/coreutils/mknod.c
+++ b/coreutils/mknod/mknod.c
@@ -10,7 +10,7 @@
 #include <stdio.h>
 #include "parse_mode.h"
 
-long parse_int(const char *str) {
+long parse_long(const char *str) {
 	char *ptr = NULL;
 	long value = strtol(str, &ptr, 10);
 
@@ -53,7 +53,7 @@ int main(int argc, char **argv) {
 
 	dev_t dev = 0;
 	if (argc == 4)
-		dev = makedev(parse_int(argv[2]), parse_int(argv[3]));
+		dev = makedev(parse_long(argv[2]), parse_long(argv[3]));
 
 	if (!strncmp("b", argv[1], 1))
 		mode |= S_IFBLK;
diff --git a/coreutils/mktemp/build.sh b/coreutils/mktemp/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/mktemp/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/mktemp.c b/coreutils/mktemp/mktemp.c
similarity index 100%
rename from coreutils/mktemp.c
rename to coreutils/mktemp/mktemp.c
diff --git a/coreutils/mv/build.sh b/coreutils/mv/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/mv/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/mv.c b/coreutils/mv/mv.c
similarity index 100%
rename from coreutils/mv.c
rename to coreutils/mv/mv.c
diff --git a/coreutils/nice/build.sh b/coreutils/nice/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/nice/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/nice.c b/coreutils/nice/nice.c
similarity index 100%
rename from coreutils/nice.c
rename to coreutils/nice/nice.c
diff --git a/coreutils/nl/build.sh b/coreutils/nl/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/nl/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/nl.c b/coreutils/nl/nl.c
similarity index 100%
rename from coreutils/nl.c
rename to coreutils/nl/nl.c
diff --git a/coreutils/nohup/build.sh b/coreutils/nohup/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/nohup/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/nohup.c b/coreutils/nohup/nohup.c
similarity index 100%
rename from coreutils/nohup.c
rename to coreutils/nohup/nohup.c
diff --git a/coreutils/printenv/build.sh b/coreutils/printenv/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/printenv/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/printenv.c b/coreutils/printenv/printenv.c
similarity index 100%
rename from coreutils/printenv.c
rename to coreutils/printenv/printenv.c
diff --git a/coreutils/pwd/build.sh b/coreutils/pwd/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/pwd/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/pwd.c b/coreutils/pwd/pwd.c
similarity index 100%
rename from coreutils/pwd.c
rename to coreutils/pwd/pwd.c
diff --git a/coreutils/renice/build.sh b/coreutils/renice/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/renice/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/renice.c b/coreutils/renice/renice.c
similarity index 100%
rename from coreutils/renice.c
rename to coreutils/renice/renice.c
diff --git a/coreutils/rev/build.sh b/coreutils/rev/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/rev/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/rev.c b/coreutils/rev/rev.c
similarity index 100%
rename from coreutils/rev.c
rename to coreutils/rev/rev.c
diff --git a/coreutils/rm/build.sh b/coreutils/rm/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/rm/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/rm.c b/coreutils/rm/rm.c
similarity index 100%
rename from coreutils/rm.c
rename to coreutils/rm/rm.c
diff --git a/coreutils/shred/build.sh b/coreutils/shred/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/shred/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/shred.c b/coreutils/shred/shred.c
similarity index 100%
rename from coreutils/shred.c
rename to coreutils/shred/shred.c
diff --git a/coreutils/sleep/build.sh b/coreutils/sleep/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/sleep/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/sleep.c b/coreutils/sleep/sleep.c
similarity index 100%
rename from coreutils/sleep.c
rename to coreutils/sleep/sleep.c
diff --git a/coreutils/sync/build.sh b/coreutils/sync/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/sync/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/sync.c b/coreutils/sync/sync.c
similarity index 100%
rename from coreutils/sync.c
rename to coreutils/sync/sync.c
diff --git a/coreutils/tee/build.sh b/coreutils/tee/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/tee/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/tee.c b/coreutils/tee/tee.c
similarity index 100%
rename from coreutils/tee.c
rename to coreutils/tee/tee.c
diff --git a/coreutils/touch/build.sh b/coreutils/touch/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/touch/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/touch.c b/coreutils/touch/touch.c
similarity index 100%
rename from coreutils/touch.c
rename to coreutils/touch/touch.c
diff --git a/coreutils/true/build.sh b/coreutils/true/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/true/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/true.c b/coreutils/true/true.c
similarity index 100%
rename from coreutils/true.c
rename to coreutils/true/true.c
diff --git a/coreutils/tty/build.sh b/coreutils/tty/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/tty/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/tty.c b/coreutils/tty/tty.c
similarity index 100%
rename from coreutils/tty.c
rename to coreutils/tty/tty.c
diff --git a/coreutils/uname/build.sh b/coreutils/uname/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/uname/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/uname.c b/coreutils/uname/uname.c
similarity index 100%
rename from coreutils/uname.c
rename to coreutils/uname/uname.c
diff --git a/coreutils/wc/build.sh b/coreutils/wc/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/wc/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/wc.c b/coreutils/wc/wc.c
similarity index 100%
rename from coreutils/wc.c
rename to coreutils/wc/wc.c
diff --git a/coreutils/whoami/build.sh b/coreutils/whoami/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/whoami/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/whoami.c b/coreutils/whoami/whoami.c
similarity index 100%
rename from coreutils/whoami.c
rename to coreutils/whoami/whoami.c
diff --git a/coreutils/yes/build.sh b/coreutils/yes/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/coreutils/yes/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/coreutils/yes.c b/coreutils/yes/yes.c
similarity index 100%
rename from coreutils/yes.c
rename to coreutils/yes/yes.c
diff --git a/findutils/xargs/build.sh b/findutils/xargs/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/findutils/xargs/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/findutils/xargs.c b/findutils/xargs/xargs.c
similarity index 100%
rename from findutils/xargs.c
rename to findutils/xargs/xargs.c
diff --git a/libmu/mount_opts.h b/libmu/mount_opts.h
new file mode 100644
index 0000000..a28ec0e
--- /dev/null
+++ b/libmu/mount_opts.h
@@ -0,0 +1,13 @@
+#ifndef _MOUNT_OPTS_H
+#define _MOUNT_OPTS_H
+
+typedef struct {
+	char *title;
+	unsigned long opt
+} MU_OPTS
+
+MU_OPTS mu_mount_opts[] = {
+	{"ro", },
+}
+
+#endif
diff --git a/libmu/parse_mount.h b/libmu/parse_mount.h
new file mode 100644
index 0000000..b83bacf
--- /dev/null
+++ b/libmu/parse_mount.h
@@ -0,0 +1,9 @@
+#ifndef _PARSE_MOUNT_H
+#define _PARSE_MOUNT_H
+
+unsigned long mu_parse_opts(const char *str) {
+	(void)str;
+	return 0;
+}
+
+#endif
diff --git a/loginutils/nologin/build.sh b/loginutils/nologin/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/loginutils/nologin/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/loginutils/nologin.c b/loginutils/nologin/nologin.c
similarity index 100%
rename from loginutils/nologin.c
rename to loginutils/nologin/nologin.c
diff --git a/miscutils/spark/build.sh b/miscutils/spark/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/miscutils/spark/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/miscutils/spark.c b/miscutils/spark/spark.c
similarity index 100%
rename from miscutils/spark.c
rename to miscutils/spark/spark.c
diff --git a/networking/hostname/build.sh b/networking/hostname/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/networking/hostname/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/networking/hostname.c b/networking/hostname/hostname.c
similarity index 100%
rename from networking/hostname.c
rename to networking/hostname/hostname.c
diff --git a/networking/nc/build.sh b/networking/nc/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/networking/nc/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/networking/nc.c b/networking/nc/nc.c
similarity index 100%
rename from networking/nc.c
rename to networking/nc/nc.c
diff --git a/procps/kill/build.sh b/procps/kill/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/procps/kill/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/procps/kill.c b/procps/kill/kill.c
similarity index 100%
rename from procps/kill.c
rename to procps/kill/kill.c
diff --git a/procps/uptime/build.sh b/procps/uptime/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/procps/uptime/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/procps/uptime.c b/procps/uptime/uptime.c
similarity index 100%
rename from procps/uptime.c
rename to procps/uptime/uptime.c
diff --git a/shell/rc/build.sh b/shell/rc/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/shell/rc/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/shell/rc.c b/shell/rc/rc.c
similarity index 100%
rename from shell/rc.c
rename to shell/rc/rc.c
diff --git a/sysutils-linux/dmesg/build.sh b/sysutils-linux/dmesg/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/sysutils-linux/dmesg/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/sysutils-linux/dmesg.c b/sysutils-linux/dmesg/dmesg.c
similarity index 100%
rename from sysutils-linux/dmesg.c
rename to sysutils-linux/dmesg/dmesg.c
diff --git a/sysutils/mount/build.sh b/sysutils/mount/build.sh
new file mode 100755
index 0000000..3b2db38
--- /dev/null
+++ b/sysutils/mount/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo ./*.c $CFLAGS $OUTPUT | xargs $CC
diff --git a/sysutils/mount.c b/sysutils/mount/mount.c
similarity index 84%
rename from sysutils/mount.c
rename to sysutils/mount/mount.c
index e749aed..d9972d3 100644
--- a/sysutils/mount.c
+++ b/sysutils/mount/mount.c
@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/mount.h>
-#include <mntent.h>
+#include "parse_mount.h"
 #include "config.h"
 
 int do_mount(const char *src, const char *dst, const char *fs_type, unsigned long opt) {
@@ -47,9 +47,10 @@ void parse_fstab(void) {
 
 int main(int argc, char **argv) {
 	char *fs_type = MOUNT_DEF_FS;
+	unsigned long mode = 0;
 
 	int opt;
-	while ((opt = getopt(argc, argv, "t:ao")) != -1) {
+	while ((opt = getopt(argc, argv, "t:ao:")) != -1) {
 		switch (opt) {
 			case 'a':
 				parse_fstab();
@@ -60,6 +61,7 @@ int main(int argc, char **argv) {
 				break;
 
 			case 'o':
+				mode = mu_parse_opts(optarg);
 				break;
 
 			default:
@@ -72,10 +74,10 @@ int main(int argc, char **argv) {
 	argv += optind;
 
 	if (argc == 2)
-		return do_mount(argv[0], argv[1], fs_type, 0);
+		return do_mount(argv[0], argv[1], fs_type, mode);
 
 	else if (argc == 1)
-		return do_mount(fs_type, argv[0], fs_type, 0);
+		return do_mount(NULL, argv[0], fs_type, mode);
 
 	return 0;
 }