windows 系统变量 环境变量

新装的系统（以下都是windows sandbox截图）

cmd中用set命令查看所有变量
powellshell中用Get-ChildItem Env:（可以输出到文件Get-ChildItem Env: | out-file env.txt），命令Get-Item可以使用ls替代

Name                           Value
----                           -----
ALLUSERSPROFILE                C:ProgramData
APPDATA                        C:UsersWDAGUtilityAccountAppDataRoaming
CLIENTNAME                     583482e0-fafd-4
CommonProgramFiles             C:Program FilesCommon Files
CommonProgramFiles(x86)        C:Program Files (x86)Common Files
CommonProgramW6432             C:Program FilesCommon Files
COMPUTERNAME                   2A41C45E-C613-4
ComSpec                        C:Windowssystem32cmd.exe
DriverData                     C:WindowsSystem32DriversDriverData
HOMEDRIVE                      C:
HOMEPATH                       UsersWDAGUtilityAccount
LOCALAPPDATA                   C:UsersWDAGUtilityAccountAppDataLocal
LOGONSERVER                    \2A41C45E-C613-4
NUMBER_OF_PROCESSORS           8
OS                             Windows_NT
Path                           C:Windowssystem32;C:Windows;C:WindowsSystem32Wbem;C:WindowsSystem32WindowsPowerShellv1.0;C:WindowsSystem32OpenSSH;C:UsersWDAGUtilityAccountAppDataLocalMicrosoftWindowsApps;
PATHEXT                        .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.CPL
PROCESSOR_ARCHITECTURE         AMD64
PROCESSOR_IDENTIFIER           Intel64 Family 6 Model 158 Stepping 13, GenuineIntel
PROCESSOR_LEVEL                6
PROCESSOR_REVISION             9e0d
ProgramData                    C:ProgramData
ProgramFiles                   C:Program Files
ProgramFiles(x86)              C:Program Files (x86)
ProgramW6432                   C:Program Files
PSModulePath                   C:UsersWDAGUtilityAccountDocumentsWindowsPowerShellModules;C:Program FilesWindowsPowerShellModules;C:Windowssystem32WindowsPowerShellv1.0Modules
PUBLIC                         C:UsersPublic
SESSIONNAME                    31C5CE94259D4006A9E4#0
SystemDrive                    C:
SystemRoot                     C:Windows
TEMP                           C:UsersWDAGUtilityAccountAppDataLocalTemp
TMP                            C:UsersWDAGUtilityAccountAppDataLocalTemp
USERDOMAIN                     2A41C45E-C613-4
USERDOMAIN_ROAMINGPROFILE      2A41C45E-C613-4
USERNAME                       WDAGUtilityAccount
USERPROFILE                    C:UsersWDAGUtilityAccount
windir                         C:Windows