Using chmod command we can change the permissions of files and directories. Sometimes, we need to change the permissions of a directory and all its subfolders and files. In these cases, we use -R option to recursively apply permission to all subfolders and files:

Escape sequences (some defined set of characters) with ANSI color codes are used to change the color of the output on a Linux Terminal. The string preceded with the escape sequence to be colored in Linux Terminal.

The echo command is used to display a line of text on the terminal. We can also use the echo command to write text to a file by providing the string after the echo command and redirecting to the file.

This post will be teach you to find and delete the files and directories in Linux.

A package.json file must contain Name and Versoin fields inside the json. The name field consists with package's name, and must be in lowercase and one word and may contain hyphens and underscores. The version field must be in x.x.x and and see the guidelines below,

This question is very common for all shell scripting development and can used in basic commands also. If would like to find the specific word from all the files which is a specific location or different location can use grep command,

This post will walk you through how do we Kill or stop the process of running with a port number in your Linux operating system. If you would like to stop an Apache or Tomcat server that is running in your machine,