Category: Unix & Linux

The Unix operating system is a general purpose OS that was developed by Bell Labs in the late 1960s and today exists in various versions. It is known for its large collection of simple command-line utilities which allow powerful file handling and text processing capabilities to be implemented via shell scripts.

Linux logo

Make your ssh login faster

If you are like me and have to shuttle across multiple linux based servers doing stuff here and there, then you invariably use ssh to setup your connections. This is a pain in itself,...

Checking system memory with ‘free’ command

When trying to check the amount of system memory available on your system, the output of the ‘free’ command can be misleading and you may end up thinking you have very low RAM available....