Comandos de la terminal/id

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id

[rrc@pridd ~]$ id --help
Usage: id [OPTION]... [USERNAME]
Print user and group information for the specified USERNAME,
or (when USERNAME omitted) for the current user.

  -a              ignore, for compatibility with other versions
  -Z, --context   print only the security context of the current user
  -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
      --help     display this help and exit
      --version  output version information and exit

Without any OPTION, print some useful set of identified information.

Report id bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
For complete documentation, run: info coreutils 'id invocation'

[rrc@pridd ~]$ id --version
id (GNU coreutils) 8.21
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://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.

Written by Arnold Robbins and David MacKenzie.

[rrc@pridd ~]$ id
uid=500(rrc) gid=500(rrc) groups=500(rrc),10(wheel),417(webmin),419(wnsoladmin),420(mxrepadmin),421(wikiadmin),479(ntools)

[rrc@pridd ~]$ id root
uid=0(root) gid=0(root) groups=0(root)

[rrc@pridd ~]$ id -un
rrc

[rrc@pridd ~]$ id -Z
id: --context (-Z) works only on an SELinux-enabled kernel

[rrc@pridd ~]$ id -g
500

[rrc@pridd ~]$ id -G
500 10 417 419 420 421 479

[rrc@pridd ~]$ id -un
rrc

[rrc@pridd ~]$ id -Gn
rrc wheel webmin wnsoladmin mxrepadmin wikiadmin ntools