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i3lock — Simple screen locker built for the i3 window manager. More information: <https://manned.org/i3lock>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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simplecommandi3lockcliscreenforbuiltlocker

Problem

How to use the i3lock command: Simple screen locker built for the i3 window manager. More information: <https://manned.org/i3lock>.

Solution

i3lock — Simple screen locker built for the i3 window manager. More information: <https://manned.org/i3lock>.

Lock the screen showing a white background:

i3lock

Lock the screen with a simple color background (rrggbb format):

i3lock {{[-c|--color]}} {{0000ff}}

Lock the screen to a PNG background:

i3lock {{[-i|--image]}} {{path/to/file.png}}

Lock the screen and disable the unlock indicator (removes feedback on keypress):

i3lock {{[-u|--no-unlock-indicator]}}

Lock the screen and don't hide the mouse pointer:

i3lock {{[-p|--pointer]}} {{default}}

Lock the screen to a PNG background tiled over all monitors:

i3lock {{[-i|--image]}} {{path/to/file.png}} {{[-t|--tiling]}}

Lock the screen and show the number of failed login attempts:

i3lock {{[-f|--show-failed-attempts]}}

Code Snippets

Lock the screen showing a white background

i3lock

Lock the screen with a simple color background (rrggbb format)

i3lock {{[-c|--color]}} {{0000ff}}

Lock the screen to a PNG background

i3lock {{[-i|--image]}} {{path/to/file.png}}

Lock the screen and disable the unlock indicator (removes feedback on keypress)

i3lock {{[-u|--no-unlock-indicator]}}

Lock the screen and don't hide the mouse pointer

i3lock {{[-p|--pointer]}} {{default}}

Context

tldr-pages: common/i3lock

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