Linux Basics-Delay command: Sleep

Sleep command
Sleep parameter
Time: Specifies the length of time to pause.
The length of time, can be followed by s for seconds, M for minutes, H for hours, and D for the number of days.
Sleep 1: Sleeps 1 seconds
Sleep 1s: sleeps 1 seconds
Sleep 1m: Sleeps 1 minutes
Sleep 1h: Sleeps 1 hours

实例#!/bin/bashb=‘ ‘for ((i=0;$i<=100;i++))do         printf "Progress:[%-100s]%d%%\r" $b $i         sleep 0.1s         b=#$bdone有时在写一些以循环方式运行的监控脚本，设置时间间隔是必不可少的

Linux Basics-Delay command: Sleep