* src/nohup.c (usage): Describe how standard input and output are redirected.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/nohup.c b/src/nohup.c
index dd64410b3..aeab291c3 100644
--- a/src/nohup.c
+++ b/src/nohup.c
@@ -66,6 +66,13 @@ Run COMMAND, ignoring hangup signals.\n\
 "), stdout);
       fputs (HELP_OPTION_DESCRIPTION, stdout);
       fputs (VERSION_OPTION_DESCRIPTION, stdout);
+      printf (_("\n\
+If standard input is a terminal, redirect it from /dev/null.\n\
+If standard output is a terminal, append output to `nohup.out' if possible,\n\
+`$HOME/nohup.out' otherwise.\n\
+If standard error is a terminal, redirect it to standard output.\n\
+To save output to FILE, use `%s COMMAND > FILE'.\n"),
+	      program_name);
       printf (USAGE_BUILTIN_WARNING, PROGRAM_NAME);
       emit_bug_reporting_address ();
     }