Using shell script to install multiple software at a time

Installing Linux os like Ubuntu is very easy. But the problem starts when we lost all the already installed software. We install lots of software. Problem starts when we start to re-install all the required software. We can create a list of software and re-install them as stated in the previous blog post. But the problem is if we want to install third party software which need to add repo. So I have found out another solution, in which I have created a bash shell which contain all the command including the adding repo commands. I have given a simple example bellow:
#!/bin/bash
apt-get install -y gnuplot wxmaxima qtoctave qtiplot 
add-apt-repository -y ppa:ubuntu-wine/ppa 
add-apt-repository -y ppa:tualatrix/ppa 
apt-get updateapt-get install -y wine ubuntu-tweak
Save the file with any name and .sh extension (eg. install_software.sh). Then make the file exicutable by running the following command in the directory that contain the file.
sudo chmod a+x install_software.sh
After that exicute the script file with sudo as shown in the example bellow.
sudo ./install_software.sh
or 
sudo sh install_software
That's it, script will automatically install all the software.

Cheers
APaul

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