From 451dbcfae1406f526208faf6033d6dcc8ac100da Mon Sep 17 00:00:00 2001 From: Benno Schulenberg Date: Mon, 22 Dec 2014 22:57:17 +0100 Subject: textual: add a docstring to most of the utilities This adds a concise description of a tool to its usage text. A first form of this patch was proposed by Steven Honeyman (see http://www.spinics.net/lists/util-linux-ng/msg09994.html). Signed-off-by: Benno Schulenberg --- sys-utils/switch_root.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'sys-utils/switch_root.c') diff --git a/sys-utils/switch_root.c b/sys-utils/switch_root.c index 534d44ac7..be23fd809 100644 --- a/sys-utils/switch_root.c +++ b/sys-utils/switch_root.c @@ -200,6 +200,10 @@ static void __attribute__((__noreturn__)) usage(FILE *output) fputs(USAGE_HEADER, output); fprintf(output, _(" %s [options] \n"), program_invocation_short_name); + + fputs(USAGE_SEPARATOR, output); + fputs(_("Switch to another filesystem as the root of the mount tree.\n"), output); + fputs(USAGE_OPTIONS, output); fputs(USAGE_HELP, output); fputs(USAGE_VERSION, output); -- cgit v1.2.3-55-g7522