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Are all CMD commands available in PowerShell?

Like other questions, but all CMD commands can be used in Powershell? Long story short, can I use the Powershell window to preempt CMD prompts, and both CMD and Powershell work in the same terminal?

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Those teams that are built intocmd.exe

(eg dir

, type

) can not be called up directly in PowerShell session, but you can call them throughcmd /c ...

; eg:.

PS> cmd /c ver

However, you will find that most of these commands have more powerful copies of PowerShell.
To ease the transition, some PowerShell commands (called cmdlets) have aliases named for their predecessors cmd.exe

(for example, dir

aliased to Get-ChildItem

; use Get-Command <name>

to find out which command a given name refers to).

Note that PowerShell also provides excellent replacements for external utilities ; for example, PowerShell Select-String

is an excellent alternative findstr.exe

.
Unlike built-in commands, cmd.exe

you can call such external utilities directly from PowerShell .



You can run where.exe <name>

to determine if the given command name refers to a built-in command cmd.exe

or an external utility : if it is the latter, its full path is printed.
(This method works with cmd.exe

as well as with PowerShell

, but in PowerShell you have to enable the extension .exe

because it just where

means something else: it's a cmdlet alias Where-Object

.)

In all these cases, it is important to understand that PowerShell syntax works very differently and that the arguments you pass will be interpreted by PowerShell first :

  • Get-Help about_Parsing

    provides a high level overview .

  • Notably, PowerShell has many more metacharacters thancmd.exe

    (more characters have a special syntactic meaning).

  • Of particular interest when invoking cmd /c

    or invoking an external utility is the PSN3 + stop-parsing--%

    cmd.exe

    symbol , which treats the rest of the command as if it were being called from ; eg.:
    cmd /c --% echo %windir%

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Yes, sort of.

Powershell sometimes uses different syntaxes for commands, so if you have certain commands that you use frequently in CMD, you might need to do a quick search for them. However, most of the commands are the same. Be aware that the powershell command set cannot be run without an admin window, and the PS window does not guarantee that it has these privileges.



The new Windows 10 update has gone with the regular CMD windows in favor of PS. This means it displays electric blue, but you can always change it using the default settings or properties. I believe this change in Win10 also meant that they were setting aliases for the CMD inside PS for us, but don't quote me on that.

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