##general bash commands
| history | prints out a numbers list of historical commands |
| !654 | executes the command number 654 from history |
| vim file | powerful text editor, but takes some learning |
| cat file | read out the contents of the file to the terminal |
| less file | more powerfull than cat. it gives you the abililty to search and scroll, among many other things |
| newcommand !! | execute your new command followed by the previous command (!!) |
| newcommand !$ | execute your new command followed by the last word of your previous command. |