When working on Linux, it’s common to need to verify whether a file exists. For this purpose you can use the ls command. The ls command is a simple way to check if a file exists. Output: The fol...

PHP scripts are written in plain text files. The file name for a PHP script typically ends with the “.php” extension. This convention helps web servers recognize files that contain PHP code and en...

To install a .deb file you can use the dpkg command-line tool. dpkg is a package manager for Debian-based systems like Debian, Ubuntu, and their derivatives. It is used to install, remove, and manage ...