See Linux HDA Commands for Amahi HDA-specific commands.
This is a small Linux cheat sheet, introducing the very basic and very essential commands for surviving at the Linux Command Line Interface (CLI).
Moving around in the file system
|pwd||"Print working directory" - show what dir you're in.|
|ls||List the contents of a dir.|
|ls -l||List the contents of a dir and show additional info of the files.|
|ls -a||List all files, including hidden files.|
|cd ..||Go to the parent directory.|
|file||Determine the type of a file.|
|cat||Concatenate a file.|
|less||View text files and paginate them if needed.|
|find||find files or directories.|
Manipulating files and directories
|cp||Copy a file.|
|cp -i||Copy a file and ask before overwriting.|
|cp -r||Copy a directory with its contents.|
|mv||Move or rename a file.|
|mv -i||Move or rename a file and ask before overwriting.|
|rm||Remove a file.|
|rm -r||Remove a directory with its contents.|
|rm -i||Ask before removing a file. Good to use with the -r option.|
|mkdir||Make a directory.|
|rmdir||Remove an empty directory.|
|nano||Interactively edit a text file (sort of the command line equivalent to notepad.exe or TextEdit)|
NOTE: Linux Permission Chart Table calculates based on user input.
Another good link on the basics of linux permissions.
0 2 * * * equates to 2AM daily.