Examples (8)
Launch Steam, printing debug messages to `stdout`
Launch Steam and enable its in-app debug console tab
steam -consoleLaunch Steam without opening the GUI
steam -silentEnable and open the Steam console tab in a running Steam instance
steam steam://open/consoleLog into Steam with the specified credentials
steam -login username passwordLaunch Steam in Big Picture Mode
steam -tenfootOpen a URL
steam steam://openurl/https://example.comExit Steam
steam -shutdownmade by @shridhargupta | data from tldr-pages