Merge pull request #6 from Richard-Qin-001/dev/shell

A basically complete operating system has been implemented

1 files changed, 26 insertions, 0 deletions

diff --git a/src/user/mv.cc b/src/user/mv.cc
new file mode 100644
index 0000000..2d30f01
--- /dev/null
+++ b/src/user/mv.cc
@@ -0,0 +1,26 @@
+#include "ulib/stdio.h"
+#include "ulib/stdlib.h"
+#include "user/user.h"
+
+int main(int argc, char *argv[])
+{
+    if (argc != 3)
+    {
+        printf("Usage: mv old new\n");
+        exit(1);
+    }
+
+    if (link(argv[1], argv[2]) < 0)
+    {
+        printf("mv: failed to link %s to %s\n", argv[1], argv[2]);
+        exit(1);
+    }
+
+    if (unlink(argv[1]) < 0)
+    {
+        printf("mv: failed to unlink %s\n", argv[1]);
+        exit(1);
+    }
+
+    exit(0);
+}
\ No newline at end of file