Add read-only option

Add command line option to disable all system and process changing
features.

1 files changed, 3 insertions, 0 deletions

diff --git a/htop.1.in b/htop.1.in
index 5408dbb4..e8cfc3f6 100644
--- a/htop.1.in
+++ b/htop.1.in
@@ -54,6 +54,9 @@ Do not use unicode but ASCII characters for graph meters
 \fB\-M \-\-no-mouse\fR
 Disable support of mouse control
 .TP
+\fB\-\-readonly\fR
+Disable all system and process changing features
+.TP
 \fB\-V \-\-version
 Output version information and exit
 .TP