slock

simple X display locker utility
git clone git://git.suckless.org/slock
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slock.1 (780B)

      1 .Dd September 5, 2026
      2 .Dt SLOCK 1
      3 .Os
      4 .Sh NAME
      5 .Nm slock
      6 .Nd simple X screen locker
      7 .Sh SYNOPSIS
      8 .Nm
      9 .Op Fl v
     10 .Sh DESCRIPTION
     11 .Nm
     12 is a simple X screen locker.
     13 The options are as follows:
     14 .Bl -tag -width Ds
     15 .It Fl v
     16 Print version information to stdout and exit.
     17 .El
     18 .Sh EXIT STATUS
     19 .Ex -std
     20 .Sh SECURITY CONSIDERATIONS
     21 To make sure a locked screen can not be bypassed by switching VTs
     22 or killing the X server with Ctrl+Alt+Backspace, it is recommended
     23 to disable both in
     24 .Xr xorg.conf 5
     25 for maximum security:
     26 .Bd -literal
     27 Section "ServerFlags"
     28 	Option "DontVTSwitch" "True"
     29 	Option "DontZap"      "True"
     30 EndSection
     31 .Ed
     32 .Sh CUSTOMIZATION
     33 .Nm
     34 can be customized by creating a custom config.h from config.def.h and
     35 (re)compiling the source code.
     36 This keeps it fast, secure and simple.