ffmpeg: Extract audio to mp3 from multiple mp4 video files

for i in *.mp4; do ffmpeg -i "$i" -q:a 0 -map a "$(basename "$i" .mp4)".mp3 ; done

Linux: Download audo only from twitch (including live stream)

Show available video formats:
youtube-dl --list-formats twitch_url_to_video
Download only audio:
youtube-dl -f audio_only twitch_url_to_video

Manjaro: Remove steam and microsoft office

sudo pacman -Rd steam-devices steam-manjaro ms-office-online