Originally Posted by cmrodican
Could someone please list what each cmd does, so someone doesn't ruin their phone?
Man pages are the best way to learn what the commands do, all the different options, and how to use them. man pages is short for manual pages. wikipedia page
Here are a couple sites where you can search, and browse, different man pages for the commands.
Linux Man Pages
Linux man pages
You can also access the man pages at a shell prompt using the following command: