There are three type software
- Microsoft window-Microsoft has launch his operating system in 1980. overs the years Microsoft launch many version in past years currently microsoft has launched window10 in 2015, window 8 launched 2012,
- Mac os x-Mac os is line of operating software. It is created by the apple . All the recent version of Mac os are EI Captain 2015.
- Linux operating software-: Linux is a open source operating software which means they can modifying and distributed in the world.