As the owner of a file, you may specify who else has the the ability to read, write and execute the file in question. Become familiar with the chmod and chown commands. Guard against this by working as root only when necessary to accomplish a particular task. Become familiar with the commands necessary to monitor, change and terminate processes. This places the process concerned in the background.
Additional docs are also available in certain directories.
Man pages document many aspects of your system such as specific programs, commands, utilities and unix-related concepts such as the man page itself. You navigate to specific directories and files contained therein by specifying absolute and relative paths to them on the command line. While certain devices such as hard disc partitions are placed on the hierarchy at boot time, others have to be mounted and unmounted on the fly as needed. Using the proper syntax , you can mount FAT 32, vfat and msdos file systems in Linux. You will need to become familiar with many basic commands necessary to accomplish everyday tasks.