> > > >As root journalctl produces a long list, tail journalctl produces > > > >"tail: cannot open ‘journalctl’ for reading: No such file or directory". > > > >Now I'm really confused. Any explanation? > > > > I belive tail is designed for use with text files...which systemd journal > isn't. > > journalctl has a plethora of options listed in it's man page for limiting the journal's output.
Regardless, you can pipe journalctl output through tail, e.g.: <journalctl | tail -n 20>