5 .Nd simple X screen locker
11 .Op Ar cmd Op Ar arg ...
14 is a simple X screen locker. If provided,
16 is executed after the screen has been locked.
20 Print version information to stdout and exit.
22 List all valid X fonts and exit.
24 Overrides default slock lock message.
27 .Sh SECURITY CONSIDERATIONS
28 To make sure a locked screen can not be bypassed by switching VTs
29 or killing the X server with Ctrl+Alt+Backspace, it is recommended
33 .Bd -literal -offset left
35 Option "DontVTSwitch" "True"
36 Option "DontZap" "True"
45 can be customized by creating a custom config.h from config.def.h and
46 (re)compiling the source code. This keeps it fast, secure and simple.