1 files changed, 18 insertions, 0 deletions
diff --git a/src/user/ln.cc b/src/user/ln.cc
new file mode 100644
index 0000000..2370fdc
--- /dev/null
+++ b/src/user/ln.cc
@@ -0,0 +1,18 @@
+#include "ulib/stdio.h"
+#include "ulib/stdlib.h"
+#include "user/user.h"
+
+int main(int argc, char *argv[])
+{
+    if (argc != 3)
+    {
+        printf("Usage: ln old new\n");
+        exit(1);
+    }
+    if (link(argv[1], argv[2]) < 0)
+    {
+        printf("link %s %s failed\n", argv[1], argv[2]);
+        exit(1);
+    }
+    exit(0);
+}
+\ No newline at end of file