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dos2unix — Change DOS-style line endings to Unix-style. Replaces CRLF with LF. See also: `unix2dos`, `unix2mac`

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

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doscommandendingsstyledos2unixclichangeline

linux

Problem

How to use the dos2unix command: Change DOS-style line endings to Unix-style. Replaces CRLF with LF. See also: unix2dos, unix2mac, mac2unix. More information: <https://manned.org/dos2unix>.

Solution

dos2unix — Change DOS-style line endings to Unix-style. Replaces CRLF with LF. See also: unix2dos, unix2mac, mac2unix. More information: <https://manned.org/dos2unix>.

Change the line endings of a file:

dos2unix {{path/to/file}}

Create a copy with Unix-style line endings:

dos2unix {{[-n|--newfile]}} {{path/to/file}} {{path/to/new_file}}

Display file information:

dos2unix {{[-i|--info]}} {{path/to/file}}

Keep/add/remove Byte Order Mark:

dos2unix --{{keep-bom|add-bom|remove-bom}} {{path/to/file}}

Code Snippets

Change the line endings of a file

dos2unix {{path/to/file}}

Create a copy with Unix-style line endings

dos2unix {{[-n|--newfile]}} {{path/to/file}} {{path/to/new_file}}

Display file information

dos2unix {{[-i|--info]}} {{path/to/file}}

Keep/add/remove Byte Order Mark

dos2unix --{{keep-bom|add-bom|remove-bom}} {{path/to/file}}

Context

tldr-pages: linux/dos2unix

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