Windows

View your current user:

• whoami

View information about the current user:

• net user afsimmons

• net user afsimmons /domain (For a domain user)

View Local Groups:

• net localgroup

• net localgroup Administrators

Add a new user:

• net user afsimmons enterpasswordhere /add

Add a user in a localgroup:

• net localgroup Administrators afsimmons