Provided by: lxlock_0.5.3-2ubuntu1_all 
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NAME
lxlock - locking utility for LXDE
SYNOPSIS
lxlock
DESCRIPTION
lxlock is a simple script to lock the session, using third application. It currently those applications, in this order (try the next one if the application is not available) : light-locker xscreensaver gnome- screensaver slock xlock i3lock
AUTHORS
Olivier Fourdan (fourdan@xfce.org) Julien Lavergne (gilir@ubuntu.com) Jarno Suni (8@iki.fi) Man page written to conform with Debian by Julien Lavergne. lxlock(1)