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5 Bash for loop examples to make command line tasks more efficient

One of the things that excited me while learning Unix/Linux was how quickly one can perform tasks via the command line. Bash is a fully functional scripting language that incorporates Variables, Loops and If/Then statements; the bash shell allows a user to use these functions while performing adhoc tasks via the command line. This is also true for the other common shells such as bourne, korn shell, and csh. Below I will show 5 example for loops that are run on the command line without being placed into a shell script.

Adding and Modifying Users and Groups in Linux

Adding and Modifying Users and Groups is a core systems administration task. The act of adding a user and group is fairly easy however there are some tricks that help make the long-term management of users easier. Tips for easier management Keep user attributes consistent amongst all systems A common mistake sysadmins make when building a new environment is they will allow uid's, gid's, home directories and other user attributes to be mis-matched from system to system.