snippetbashTip

rev — Reverse a line of text or a file. More information: <https://manned.org/rev>.

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

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linux

Problem

How to use the rev command: Reverse a line of text or a file. More information: <https://manned.org/rev>.

rev — Reverse a line of text or a file. More information: <https://manned.org/rev>.

Reverse text typed into terminal:

rev

Reverse the text string "hello":

echo "hello" | rev

Reverse an entire file and print to stdout:

rev {{path/to/file}}

Use '\0' as a line separator (zero termination):

rev {{[-0|--zero]}} {{path/to/file}}

Display help:

rev {{[-h|--help]}}

Display version:

rev {{[-V|--version]}}

Reverse text typed into terminal

rev

Reverse the text string "hello"

echo "hello" | rev

Reverse an entire file and print to `stdout`

rev {{path/to/file}}

Use '\0' as a line separator (zero termination)

rev {{[-0|--zero]}} {{path/to/file}}

Display help

rev {{[-h|--help]}}

tldr-pages: linux/rev

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