Windows常用系统变量

%USERPROFILE% = C:\Users\用户名
%SystemRoot% = C:\WINDOWS
%SystemDrive% = C:
%APPDATA% = C:\Users\用户名\AppData\Roaming
%LOCALAPPDATA% = C:\Users\用户名\AppData\Local
%windir% = C:\WINDOWS
%Path% = C:\Windows\system32;C:\Windows;
%ProgramData% = C:\ProgramData
%ProgramFiles% = C:\Program Files
%ProgramFiles(x86)% = C:\Program Files (x86)
%ALLUSERSPROFILE% = C:\ProgramData
%CommonProgramFiles% = C:\Program Files\Common Files
%CommonProgramFiles(x86)% = C:\Program Files (x86)\Common Files
%CommonProgramW6432% = C:\Program Files\Common Files
%COMPUTERNAME% = MyPC
%ComSpec% = C:\WINDOWS\system32\cmd.exe
%HOMEDRIVE% = C:
%HOMEPATH% = \Users\用户名
%LOGONSERVER% = \\MicrosoftAccount
%OS% = Windows_NT
%ProgramW6432% = C:\Program Files
%PUBLIC% = C:\Users\Public
%TEMP% = C:\Users\用户名\AppData\Local\Temp
%TMP% = C:\Users\用户名\AppData\Local\Temp
%USERDOMAIN% = MyPC
%USERNAME% = 用户名

注:可以用CMD的SET命令来查看现有的系统变量

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