getent.1: Document a help and version options

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man1/getent.1 b/man1/getent.1
index 1adec24c39ffb9d41d1582f05073791a69198317..9c5f452059fc310b60143e2a58bd2d217cde6c5a 100644 (file)
--- a/man1/getent.1
+++ b/man1/getent.1
@@ -362,6 +362,16 @@ but only the last service for each database will be used.
 Disables IDN encoding in lookups for
 .BR ahosts / getaddrinfo (3)
 (Since glibc-2.13.)
+.TP
+.BR \-? ", " \-\-help
+Print a usage summary and exit.
+.TP
+.B "\-\-usage"
+Print a short usage summary and exit.
+.TP
+.BR \-V ", " \-\-version
+Print the version number, license, and disclaimer of warranty for
+.BR getent .
 .SH EXIT STATUS
 One of the following exit values can be returned by
 .BR getent :