Open Broadcaster Software. Video recording and live streaming program.

# To launch OBS:
obs

# To launch OBS in portable mode:
obs --portable

# To automatically start recording a video on launch:
obs --startrecording

# To automatically start the replay buffer on launch:
obs --startreplaybuffer

# To automatically start streaming on launch:
obs --startstreaming

# To minimise to the system tray on launch:
obs --minimize-to-tray

# To make the log more verbose (for debugging):
obs --verboseobs command