unix is one of the powerful operating system,it was developed mainly for multi user that is multiple persons can share the data in network.It supports multi programming,multi tasking,multi processing. It is having great security for the data,thats the reason all banks, ATM’s were using this operating systems.you can use this as general purpose like any other.In this kernel is heart of the unix which directly interact with hardware,in unix everything will be in files.Unix is also one file system.
Advantages:
- multiuser
- multi tasking
- multi processing
- security