Shell echo command

Reference instruction Encyclopedia ：
https://wangchujiang.com/linux-command/c/echo.html
https://github.com/jaywcjlove/linux-command

Reference resources ：https://www.runoob.com/linux/linux-shell-echo.html
Shell echo command
Shell Of echo Command and PHP Of echo Instruction similar , Are used for string output . Command format ：

echo string
You can use echo More complex output format control .