Re: how to list supplementary groups?

[Bob Proulx]

Adrian Buciuman wrote:
> Does GNU coreutils include any tool to list supplementary group IDs of
> the running processes (or an error if the OS doesn't support
> supplementary groups in the kernel) ?

Try these:

  id
  groups

> I can't find anything about this either in the documentation of
> coreutils, nor in the documentation of ps, nor in POSIX. So maybe I'm
> missing something obvious.

See this documentation from the info manual.

  info coreutils 'User information'

Specifically:

  info coreutils id
  info coreutils groups

Bob