Security and Porability

 Security 

ØSecurity is provided by assigning login/password to individual users.

ØAt file level(r,w,x) permissions are assigned to each file,who can access,modify and execute it.

ØFile encryption : This utility encodes your file into an unreadable format.  

Portability 

ØUniversal popularity of unix is that it can be ported to almost any computer system.

Linux differs from other O.S

Linux differs from other O.S

• Modularity

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• Multitasking

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• Multiuser capability

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• Communication

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• Transportability

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• Security

 

Why Linux is popular?

Why Linux is popular?

•Linux can run on a wide range of computers from micro to powerful super computers

•The souce code is written in high level language and is free of cost

•It offers one of the richest libraries of reusable software componets abd programs

•It is written in C, a modular language using which a lot of programming done

Multi User Operating System