> On Tue, Jan 25, 2000 at 12:37:20AM -0500, Roland McGrath wrote: > > No, there isn't one. The proc server only returns you the owner uid (which > > is usually the same as the first effective uid). I suppose it could have a > > call to return full id sets for each process. Can you get this information > > from ps is Unix? > > One can get the gid via ps -G gid under Linux, DEC and Solaris:
There is no -G on my Linux syste. > >From the dec ps man page: > > -G glist > Writes information for processes whose real group ID numbers or > names are given in glist. The glist is a list of process-group > identifiers enclosed in " " (double quotes) and separated from > one another by a comma or one or more spaces (or tabs), or both. > Because of the way the shell treats spaces and tabs, you need to > quote space-separated lists. That is about selecting processes based on GID, which is different from showing the GIDs of processes. (Though the Hurd ps has neither.)
