Basics

Linux clear command

Clear the visible contents of the terminal screen.

Availability: Common Linux commands; shell built-ins and external implementations may differ by distribution.中文

Syntax

clear [-T TYPE] [-V] [-x]

Examples

Clear the visible terminal screen.

clear

Clear the screen while leaving the scrollback buffer intact.

clear -x

Parameters, options and clauses

Option / clause	Description
`-T TYPE`	Set the terminal type instead of using TERM.
`-V, --version`	Display the version and exit.
`-x`	Do not attempt to clear the terminal's scrollback buffer.

Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

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