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Linux Commands – top 1. Overview It’s quite common to find ourselves in a situation where we need to know the resource usage of each process and thread in our system. For example, we might want to know which process is slowing down our system. In this tutorial, we’ll look… Continue Reading linux-top-command

Guide to Unix Swap 1. Introduction In this tutorial, we’ll introduce the Unix swap space, its advantages, and a few simple commands to manage it. 2. The Unix Swap Space Swap or paging space is basically a portion of the hard disk that the operating system can use as an… Continue Reading linux-swap-space

Linux Commands – Remove All Text After X 1. Overview There are various occasions when we might want to remove the text after a specific character or set of characters. For example, one typical scenario is when we want to remove the extension of a particular filename. In this quick… Continue Reading linux-remove-text-after-x-in-file

Concatenating Files in Linux 1. Introduction Sometimes, we need to do some operations that require using multiple files at the same time. This can be something as common as searching for some text in multiple files or merging multiple files into a new one. In this quick tutorial, we’ll show… Continue Reading linux-concatenating-files

Difference Between sort | uniq and sort -u 1. Overview In this tutorial, we’ll do a quick comparison of the Linux commands sort | uniq and sort -u. Both use sort to remove duplicate entries from a list, but they operate in slightly different manners. Note that all commands below are platform-independent. 2.… Continue Reading linux-sort-uniq-vs-sort-u

Manipulating Strings in Linux with tr 1. Overview In this tutorial, we’ll see how to manipulate strings using the tr in Linux. Note that we’ve tested these commands using Bash, but should work on any POSIX-compliant terminal. 2. Lower Case to Upper Case First of all, let’s see the synopsis… Continue Reading linux-tr-manipulate-strings

Linux Commands – Find Broken Symlinks 1. Overview In this tutorial, we’ll see how to find broken symlinks using the find command in different forms. 2. Symlinks Symlinks, symbolic links, or even soft links are files that point to other links, files, directories, and resources. They are similar to shortcuts… Continue Reading linux-find-broken-symlinks

Copying in Linux with Visual Progress 1. Overview In this tutorial, we’ll learn how to display copy progress and speed on Linux. 2. Single File rsync is a file-copying tool that works for remote as well as local copies. It isn’t always installed by default, but it’s a popular tool… Continue Reading linux-copy-command-with-progress

A Guide to Yum and Apt 1. Overview Package Managers are a great feature of every Linux system. They allow us to easily handle the installation, removal, and inspection of software packages. In this tutorial, we’ll learn how to use two among the most famous ones: YUM and APT. 2.… Continue Reading linux-yum-and-apt