What are runlevels in linux systems?

What are runlevels in linux systems?


Recently I came to know about the runlevels in linux while going through  initd. So I thought of writing about it and here it is what are runlevels in linux systems? So there are 7 runlevels defined and these are numbered from 0-6.Following is the list of the runlevels. What are runlevels in linux systems?

Creating Linux alias to enable you work faster.

Creating Linux alias to enable you work faster.


Linux is a very powerful Operating system and it has many flavors. Its always your choice which one to use but making them work faster and according to your need is something you will need. Here we will talk about alias and write a simple alias file to help you be more productive.Lets see how

Monitor your unix system resources using HTOP.

Monitor your unix system resources using HTOP.


When it comes to servers it is really important to keep track of memory, cpu utilization, which processes are taking what amount of CPU, what process are orphan processes etc. All these are required to take necessary step like kill a process if it is taking a lot of CPU or trigger autoscaling when CPU