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alacritty - a cross-platform, gpu-accelerated terminal emulator

alacritty [FLAGS] [OPTIONS]

Alacritty is a terminal emulator with a strong focus on simplicity and performance. With such a strong focus on performance, included features are carefully considered and you can always expect Alacritty to be blazingly fast. By making sane choices for defaults, Alacritty requires no additional setup. However, it does allow configuration of many aspects of the terminal.

-h, --help
Prints help information
Enable automatic config reloading
Disable automatic config reloading
Keep the log file after quitting Alacritty
Print all events to stdout
Reduces the level of verbosity (the min level is -qq)
Generates ref test
Increases the level of verbosity (the max level is -vvv)
-V, --version
Prints version information

--class <class>
Defines the window class on Linux [default: Alacritty]
-e, --command <command>...
Command and args to execute (must be last argument)
--config-file <config-file>
Specify alternative configuration file [default: $XDG_CONFIG_HOME/alacritty/alacritty.yml]
-d, --dimensions <columns> <lines>
Defines the window dimensions. Falls back to size specified by window manager if set to 0x0 [default: 0x0]
--position <x-pos> <y-pos>
Defines the window position. Falls back to position specified by window manager if unset [default: unset]
-t, --title <title>
Defines the window title [default: Alacritty]
--working-directory <working-directory>
Start the shell in the specified working directory

See the alacritty github repository at for the full documentation.

Found a bug? Please report it at


•Joe Wilm <>
August 2018 alacritty 0.3.2