list All the hosted website from command line on IIS

As @WolfyUK mentioned, you may need to run the command from the inetsrv directory.

64 Bit:

%windir%\system32\inetsrv\appcmd.exe list site

32 Bit:

%windir%\syswow64\inetsrv\appcmd.exe list site

The list site command will list all sites but you can also:

List Individual Site by Name:

...\appcmd.exe list site /name:"<site_name>"

List Individual Site by Meta ID (Site ID No.):

...\appcmd.exe list site /id:<site_number>

List All Virtual Directories:

...\appcmd.exe list vdir

You might have to run this as administrator.

appcmd list site

Directly from http://technet.microsoft.com/en-us/library/cc771280(v=ws.10).aspx

Please try power shell script

Get-WebApplication

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