A preliminary understanding of Shell commands

Baidu searched the shell command and wrote the .bat file in windows, and found that there was a problem with running it no matter what. It turned out that the command under linux was different from the command under windows.

Grammar rules under linux: Shell script common commands - Long Haoxue - 博客园

Grammar rules under windows: Windows shell basic grammar - BonSan - 博客园

And can not be random spaces

example

Variable assignment and output under window

@echo off
set a=10
echo %a%
pause

Variable assignment and output under linux

a=10
echo $a