xdg-open FILE - opens a file with the default GUI app. I use it for example to open PDFs and PNG. I have a one letter alias for that. It can also open a file explorer in the current directory xdg-open . . Should work on any compliant desktop environment (gnome/kde).
In my bubble, MSN was the first messenger used by non-nerds. For me it was the third messenger after IRC and ICQ that i really used. Nerds were on IRC, Gamers on ICQ
Take videos and pics of your room, spend 20$ on fiverr to have your room designed, buy the suggestions. Best way imho if you have 0 clue imho