From 3886749b1c8d79d4701bf6b8e66249c4e1491648 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Sun, 4 Jan 2026 18:06:31 +0800
Subject: dev(shell): implement basic shell tools fixed(file-system): fixed
 read and write bugs

---
 src/user/ln.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/user/ln.cc

(limited to 'src/user/ln.cc')

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
-- 
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