Operating System

Are you fed up of viewing congested command output or file content on the terminal. This short article will demonstrate how to display command output or a file content in... Read more

netstat (network statistics) is a command line tool for monitoring network connections both incoming and outgoing as well as viewing routing tables, interface statistics etc. netstat is available on all... Read more

Are you looking through an extremely lengthy configuration file, one with hundreds of lines of comments, but only want to filter the important settings from it. In this article, we... Read more

In our last article, we have explained how to use df (disk filesystem) utility to report file system disk space usage in Linux. We have discovered yet a another great... Read more

Usually, we are in habit of saving a lot of information in form of files on our system. Some, hidden files, some kept in a separate folder created for our... Read more

In a previous article, we showed you how to create a shared directory in Linux. Here, we will describe how to give read/write access to a user on a specific... Read more

The '!' symbol or operator in Linux can be used as Logical Negation operator as well as to fetch commands from history with tweaks or to run previously run command... Read more

Have you ever been confronted with the task of looking for a particular string or pattern in a file, yet have no idea where to start looking? Well then, here... Read more

One of the greatest features of Bash is the command history, which stores all commands a user runs, in a history file within his/her home directory (typically /home/$USER/.bash_history). This allows... Read more

The root account is the ultimate account on a Linux and other Unix-like operating systems. This account has access to all commands and files on a system with full read,... Read more