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https://www.redhat.com/sysadmin/bash-bang-commands

Bash bang commands: A must-know trick for the Linux command line Your bash history maintains a record of the commands you've entered. Here's how to make good use of that record.

How to Switch between Multiple PHP Version on Ubuntu On your system, if you have installed multiple versions of PHP (eg PHP 7.1 and PHP 5.6 both). PHP 7.1 is running as default php for Apache and CLI. For any requirement you need to use PHP 5.6. Then you don’t need to remove php 7.1. You can simply switch you php version to default […]

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