Let’s look at some basic commands that report on memory usage. The first that probably comes to mind is free. The free command will tell you about used and unused memory and about swap space. Physical ...

For example, running the command less /var/log/syslog will open your system log in a controlled view. You may then jump ...

The Disks app takes over some more challenging commands, such as fsck, mount, parted, chown, and dd. This app is a handy GUI that also prevents you from having to edit the fstab configuration file ...