Traceroute is a useful command as it lets you understand the routing of a connection. The utility can help you figure out your network better and also find out issues if there is any. In simple words, Traceroute, when used, prints out the complete routing of a request from origin to destination.
In the Linux world, General Regular Expression Parser or grep is one of the most powerful commands used by every Linux administrator. Using it, you will be able to search files content and also perform a search within the command output: not just that, but a lot more, which we will be discussing in this tutorial.
Groups in Linux act as organization blocks that are used to sort and govern Linux user accounts. Groups can be used to set privileges on users, privileges like running applications, reading, or writing in directories.
There are several ways of checking your Linux system disk space. You could use a third-party app that shows the available disk space or do it by command-line way via the Linux Terminal.
Most Linux users, both veterans, and newbies, often get confused about what the difference between the Linux commands apt, and apt-get are and when they should use one or the other.