On Sun, Aug 11, 2013 at 9:03 AM, shimi <linux...@shimi.net> wrote: > > Both your 'group' and 'cat' commands read configuration files, while 'id' > actually uses system calls to read information on the currently running > process to print out whatever they print. > > >
Correcting myself (my excuse: haven't slept all night...) - only the cat reads the configuration file. 'groups', like 'id', uses the getegid() system call ... -- Shimi
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