return user identity
Display current user's ID (UID), group ID (GID) and groups to which they belong
Display the current user identity as a number
Display the current group identity as a number
Display an arbitrary user's ID (UID), group ID (GID) and groups to which they belong
id [OPTION]... [USER]...
Print user and group information for each specified USER, or (when USER omitted) for the current process.
ignore, for compatibility with other versions
- -Z, --context
print only the security context of the process
- -g, --group
print only the effective group ID
- -G, --groups
print all group IDs
- -n, --name
print a name instead of a number, for -ugG
- -r, --real
print the real ID instead of the effective ID, with -ugG
- -u, --user
print only the effective user ID
- -z, --zero
delimit entries with NUL characters, not whitespace;
not permitted in default format
display this help and exit
output version information and exit
Without any OPTION, print some useful set of identified information.
GNU coreutils online help:
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Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Full documentation <https://www.gnu.org/software/coreutils/id> or available locally via: info '(coreutils) id invocation'
Written by Arnold Robbins and David MacKenzie.