Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
OK, you have Linux on your computer. Maybe you had some trouble getting it installed and everything working (probably wifi if I had to guess, or a winmodem), but you are past all that, everything is working, and you are ready to start using the computer. Old habits die hard, so hopefully this list helps you get over them.
Of course, rules would not be rules if there were no exceptions to all of the following, but in general all these are the way it is.
1) Reboots are not SOP (Standard Operating Procedure). If an application dies, or locks up (which is rare, but can happen, usually with bleeding edge versions of apps), your OS is usually fine.