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iotop is a top-like I/O monitoring utility that provides a real-time view of process/thread I/O on a system.

In this article we will discuss two command line utilities (ttyrec and ttyplay) that let you record, save and play terminal sessions.

gcp is an advanced command line file copier that is inspired by the standard cp command but provides various advanced features like progress bar indicator, source lists, continuous copying even if there is a problematic file etc.

Ranger is an ncurses based command line file manager that is capable of previewing files and opening them with default programs.

In this article, we will discuss how wild-cards can be used to make life easy for a command line user through some practical examples.

This article explains the basic usage, advanced usage and the prominent careless mistakes that people do while using the rm command.

Learn useful grep command options through practical examples and get productive with grep command in Linux.

Linux command line utilities to display majestic aquarium, play command line invaders, burn your command line window and much more..

In this article we will discuss 3 of the most popular command line music players (cmus, mp3blaster and moc) available on Linux.

If you are not much experienced with using workspaces then here are a few tips that might help you in working with them.

On Ubuntu there is a bug that disables print screen key in certain cases. gnome-screenshot utility provides a good alternative to print screen.

In this article, apart from basic usage, learn how to display Julian Calendar, date of Easter, week number, months in a range etc.

Hash table is a data structure to store key value pairs. As in, a table where each entry has a key and a corresponding value. In other words, it is like an array with indices having the flexibility to be of any type i.e. integer, float, char, string, etc. Henceforth, these indices are termed as keys. So, it is a way of laying down the structure such that, a key maps to the data and that is how we retrieve and access all data efficiently. The efficiency comes from the fact, the key is directly used as an index to search/access any data without caring about traversing the entire data-structure.

In one of our earlier article on vim, we discussed about macros and bookmarks. Besides these features, there are many other features that are very helpful while text and code editing in Vim editor. In this article, I will present eight interesting and really helpful features that I use every time I work on Vim editor

In part I, we learnt about the memory corruption and the probable causes. Presently, there are plethora Linux tools available to combat the issues of memory corruption. Such Linux tools assist a great deal in detecting the memory corruption and resolving them. In this article we will cover 3 popular open source tools available for debugging memory corruption related problem on Linux.

The onus is on the programmer to see if the memory is being properly used or not. This is essential, as memory issues lead to copious bugs and bizarre behaviours.

Being a Linux admin user I have always used both sudo and su. As a system admin, it is very important for you to know the difference between two. For those who do not have basic idea about the difference between these two or are always confused between the two, here is a list of 13 Q&A that are aimed to make you understand the intricacies of both sudo and su.

It is important for system as well as network administrators to be able to access all kind of system and as well as network related Linux host information. This information helps a great deal while debugging system level or network level problems.

Ever since from the age of unix to the present unix-like linux distributions, the linux world has added plethora commands to the kitty of linux users. At times it is just too difficult to keep in mind the complete set of available commands. However, we don’t even need to memorize all of them. It is sufficient to just be aware of commands and keep in mind the ones which are related to linux lives. Here I am consolidating a list of less popular but useful linux commands and how they work. I am sure, most of these commands would interest you and make your tasks simpler and efficient in some way.

HERE document is a special purpose code block through which text inputs can be supplied to programs on command line and within shell scripts. This way, HERE documents provide a good alternative for fetching inputs from text files. In this article, we will understand most of the important aspects of HERE documents through some practical examples. Also, towards the end of article will be a list of resources which are worth read on various practical aspects of HERE documents.