Windows中查找命令的路径 (类似Linux中的which命令)

where is a direct equivalent in cmd:   where  gcc

C:\Users\Administrator> where gcc
D:\msys64\mingw64\bin\gcc.exe

Note that in PowerShell where itself is an alias for Where-Object, thus you need to use where.exe in PowerShell.

In > cmd you can also use :   for %x in (gcc.exe) do @echo %~$PATH:x

C:\Users\Administrator> for %x in (gcc.exe) do @echo %~$PATH:x
D:\msys64\mingw64\bin\gcc.exe

In > PowerShell you have Get-Command and its alias gcm which does the same if you pass an argument (but also works for aliases, cmdlets and functions in PowerShell):

PS C:\Users\Administrator>  Get-Command gcc

CommandType     Name        Version    Source
-----------     ----        -------    ------
Application     gcc.exe     0.0.0.0    D:\msys64\mingw64\bin\gcc.exe

The first returned command is the one that would be executed.