# cmd > The Windows command interpreter. > More information: . - Start an interactive shell session: `cmd` - Execute specific [c]ommands: `cmd /c {{echo Hello world}}` - Execute a specific script: `cmd {{path\to\script.bat}}` - Execute specific commands and then enter an interactive shell: `cmd /k {{echo Hello world}}` - Start an interactive shell session where `echo` is disabled in command output: `cmd /q` - Start an interactive shell session with delayed [v]ariable expansion enabled or disabled: `cmd /v:{{on|off}}` - Start an interactive shell session with command [e]xtensions enabled or disabled: `cmd /e:{{on|off}}` - Start an interactive shell session with used [u]nicode encoding: `cmd /u`