summaryrefslogtreecommitdiff
path: root/free.c
diff options
context:
space:
mode:
Diffstat (limited to 'free.c')
-rw-r--r--free.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/free.c b/free.c
index 39594db..e6f130e 100644
--- a/free.c
+++ b/free.c
@@ -37,6 +37,14 @@ extern int free_main(int argc, char **argv)
info.sharedram/=DIVISOR;
info.bufferram/=DIVISOR;
+ if (argc > 1 && **(argv + 1) == '-') {
+ usage("free\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\nDisplays the amount of free and used system memory\n"
+#endif
+ );
+ }
+
printf("%6s%13s%13s%13s%13s%13s\n", "", "total", "used", "free",
"shared", "buffers");