Add clear command, add sysinfo system call

6 files changed, 18 insertions, 0 deletions

diff --git a/bin/Kbuild b/bin/Kbuild
index 03d8756e..5487a089 100644
--- a/bin/Kbuild
+++ b/bin/Kbuild
@@ -1,3 +1,4 @@
+obj-y += clear/
 obj-y += echo/
 obj-y += false/
 obj-y += gzip/
diff --git a/bin/clear/Kbuild b/bin/clear/Kbuild
new file mode 100644
index 00000000..845df317
--- /dev/null
+++ b/bin/clear/Kbuild
@@ -0,0 +1,3 @@
+bin-y := clear
+obj-y += clear.o
+libs-y += $(srctree)/lib/libc/libc.a
diff --git a/bin/clear/clear.c b/bin/clear/clear.c
new file mode 100644
index 00000000..9c371ea7
--- /dev/null
+++ b/bin/clear/clear.c
@@ -0,0 +1,14 @@
+#include <sys/cdefs.h>
+#include <unistd.h>
+
+int main(int argc, char **__unused argv)
+{
+	if (argc) {
+		write(STDOUT_FILENO, "usage: clear\n", 13);
+		return 0;
+	}
+
+	write(STDOUT_FILENO, "\033[H\033[2J", 7);
+
+	return 0;
+}
diff --git a/bin/echo/echo b/bin/echo/echo
deleted file mode 100755
index c9bbb0df..00000000
--- a/bin/echo/echo
+++ /dev/null
diff --git a/bin/false/false b/bin/false/false
deleted file mode 100755
index 554098bc..00000000
--- a/bin/false/false
+++ /dev/null
diff --git a/bin/true/true b/bin/true/true
deleted file mode 100755
index 49700c41..00000000
--- a/bin/true/true
+++ /dev/null