Summary

use this version of Debian from the beginning of its launch

Auto lock screen after no activity with slock

xautolock -time 1 -locker "slock" -notify 10 \
 -notifier "notify-send -t 5000 -i gtk-dialog-info 'Locking in 10 seconds'" &

Man pages

man ps # about the command ps

Apropos

In unix/linux is command search for man page.

apropos mount # search man documentation

Debian 116b761249-26df-4936-82b4-b6ddaf2feb57