members(1) - Linux man page
Name
members - outputs members of a groupSynopsis
members groupnameDescription
This manual page documents briefly the members commands. This manual page was written for the Debian GNU/Linux distribution.members is a program that sends a space-separated list of secondary member names to its standard output.
Options
- -a, --all
- Show all group members on one line. This is the default.
- -p, --primary
- Show only primary group members.
- -s, --secondary
- Show only secondary group members.
- -t, --two-lines
- Send two lines to standard output. First line is primary members, second line is secondary members. NOTE: This always displays two lines, even if there are no members at all.
- -h, --help
- Show summary of options.
Diagnostics
Exit status is 0 (i.e. "success") if the group was found, and 1 (i.e., "failure") if the group was not found.
Technically, the exit status hinges on the output of getgrnam(3) as follows: if getgrnam(3) returns a null pointer, the exit status is 1, and 0 otherwise.