CPU clock speed determines how fast your CPU can process instructions every second. It measures the number of cycles your CPU can execute, measured in GHz or Mhz. As it is hard to increase clock speed beyond a limit, multi-core [...]
Linux Tips
How to Change Color Schemes in Vim
Vim is a text editor that can be used to edit all kinds of plain text, especially useful for writing and editing programs. It is also one of the customizable text editors heavily used in Linux operating system. The suitable [...]
Sudo Permission Denied with Redirect or Pipe [Solutions]
In this tutorial, I will show you how to use the sudo command when using it with redirect or pipe. When using sudo with redirection (>) or pipe (|), you will get Permission denied error message in bash output. Further [...]
Linux Find Files Modified in Last Number of Days
The Linux find command is a handy tool that lets you find or locate files on your system. You can specify to locate a file based on wide criteria such as file type, file location, and file permissions to mention [...]
How to Get Last Modified Date of File in Linux
Sometimes, you may be required to check detailed information about a file (timestamp) such as its last modified date. This can come in handy when you want to check when the file was last edited. Additionally, it ensures that you [...]
Gzip and Keep Original File in Linux
Gzip command by default delete the original file and replace it with a new compressed file with .gz extension. In this article, I am going to show you how to gzip file and keep the original ones intact. Previously, we [...]
4 Ways to Check Which Shell You are Using on Linux
Out of the box, Linux provides a wide variety of shells. There is bash (Bourne Again shell) shell which ships by default in many Linux distributions. We also have sh (Bourne Shell), tcsh (TC shell), csh (C shell), Zsh (Z [...]
13 Cool Things to Do with Linux
Linux is an open-source operating system that allows you to run almost every major web development language available. You don't need to pay for any software installation and you can find everything on the web. It can be installed on [...]
Linux wget Command Explained with Examples
The Linux wget command-line tool is a nifty utility used to download files over the internet. It's usually used when you want to download tarball & zipped files, deb & rpm packages from a website. With wget command, you can [...]
How to Add a Samba User in Linux
Samba is a free and open-source networking service that functions in a client/server networking model. It allows for file sharing across both Windows and Linux/Unix operating systems and leverages the SMB (Server Messaging Block) and the CIFS (Common Internet File [...]
How to Enable Colors for ls Command Output
In this article, I am going to write about setting up colors for ls command output in your bash shell. In Linux, ls is one of the basic and most repeatedly used commands in our daily administration tasks to list [...]
How to Diff Command Colorize Output on Linux
Diff is a command-line utility that helps users to visually compare differences between 2 files line by line on a Linux/Unix system. Colordiff utility is a Perl script that is an improved version of diff. It colorizes the output so [...]
How to Append to End of a File in Linux
In this tutorial, we learn different ways to append text to the end of a file in Linux. You can achieve this using several methods in Linux, but the simplest one is to redirect the command output to the desired [...]
How to Delete Files and Directories in Linux
You may, in some cases, need to delete directories and files that you do not need to free up space on your hard drive. In this brief tutorial, you will learn how to delete files and directories in Linux. To [...]