Common · Let commands collaborate
sleep: Pause for specified time
Syntax
sleep secondsExamples
sleep 1Usage and sandbox support
The teaching environment returns immediately, with no actual waiting; a true sleep would pause the process.
Hands-on exercises
- Understanding the wait commandEveryday
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 historyclearClear the terminal displaytrueReturn success statusfalseReturn failure statusseqGenerate a sequence of numbersaliasSet 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