命令行外壳和脚本环境 PowerShell

PowerShell 是一个跨平台的 (Windows, Linux 和 OS X) 自动化和配置工具（框架），可以和已有的工具友好集成，特别优化用于处理结构化数据 (如 JSON, CSV, XML 等), REST APIs 以及对象模型。它包含一个命令行 Shell、一个关联的脚本语言以及一个用于处理 cmdlets 的框架。

PowerShell 就相当于 Linux 下的 Bash 以及 SHELL 脚本编程语言。

PowerShell 与 Bash 的对别：

Bash	PowerShell	Description
ls	dir, Get-ChildItem	List files and folders
tree	dir -Recurse	List all files and folders
cd	cd, Set-Location	Change directory
pwd	pwd, $pwd, Get-Location	Show working directory
clear, Ctrl+L, reset	cls, clear	Clear screen
mkdir	New-Item -ItemType Directory	Create a new folder
touch test.txt	New-Item -Path test.txt	Create a new empty file
cat test1.txt test2.txt	Get-Content test1.txt, test2.txt	Display files contents
cp ./source.txt ./dest/dest.txt	Copy-Item source.txt dest/dest.txt	Copy a file
cp -r ./source ./dest	Copy-Item ./source ./dest -Recurse	Recursively copy from one folder to another
mv ./source.txt ./dest/dest.txt	Move-Item ./source.txt ./dest/dest.txt	Move a file to other folder
rm test.txt	Remove-Item test.txt	Delete a file
rm -r <folderName>	Remove-Item <folderName> -Recurse	Delete a folder
find -name build*	Get-ChildItem build* -Recurse	Find a file or folder starting with 'build'
grep -Rin "sometext" --include="*.cs"	Get-ChildItem -Recurse -Filter *.cs \| Select-String -Pattern "sometext"	Recursively case-insensitive search for text in files