Hello Helge, On Mon, 20 Apr 2020 at 21:33, Helge Kreutzmann <debian@xxxxxxxxxxxxx> wrote: > > Hello Michael, > On Sun, Apr 19, 2020 at 09:22:23PM +0200, Michael Kerrisk (man-pages) wrote: > > On 4/19/20 8:47 AM, Helge Kreutzmann wrote: > > > > > b) user IDs → user ID > > > > No change. Nothing wrong that I can see here. > > > > "I<Note>: according to the rules above, if a process with nonzero user IDs " > > > "performs an B<execve>(2) then any capabilities that are present in its " > > > "permitted and effective sets will be cleared. For the treatment of " > > > "capabilities when a process with a user ID of zero performs an B<execve>(2), " > > > "see below under I<Capabilities and execution of programs by root>." > > Ok, so a process can have multiple user IDs then? Yes. See credentials(7). Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/