Common · Let commands collaborate
clear: Clear the terminal display
Syntax
clearExamples
clearUsage and sandbox support
Clearing the screen will preserve files and history; resetting the level will restore the practice environment.
Hands-on exercises
- Refresh the screenEveryday
Related commands
echoOutput a piece of textprintfOutput text according to formatteeOutput and save pipeline contentsxargsConvert input into command parametersexportSet environment variablesenvView environment variablesprintenvOutput the value of environment variableunsetRemove variableshistoryView command historytrueReturn success statusfalseReturn failure statusseqGenerate a sequence of numberssleepPause for specified timealiasSet command aliasunaliasRemove command aliassourceRead script in current ShellreadRead variables from inputbashRun the Bash scriptshRun the POSIX Shell scriptcommandControl command lookupjobsView current Shell jobsbgResume background jobfgResume foreground jobwaitWait for child process to endnohupIgnore hangup signal and runtimeoutLimit command running timewatchDisplay command results periodicallytimeMeasure run timeulimitView or set resource limitssetSet Shell behaviortrapHandle exit or signaltmuxManage terminal sessionsscreenKeep terminal session