Linux

Linux operating system is one of the popular versions of the UNIX operating system, which is designed to offer a free or low-cost operating system for personal computer users. It gained the reputation as a fast performing and very efficient system. This is a remarkably complete operating system, including a GUI (graphical user interface), TCP/IP, the Emacs editor,can X Window System, etc. It was developed beginning in 1991 by a University of Helsinki student named Linus Torvalds (Linux stands for Linus UNIX).

Features of Linux Operating System

The main features of the Linux operating system are

• Portable: Linux operating system can work on different types of hardware as well as the Linux kernel supports the installation of any kind of hardware platform.

• Open Source: Source code of LINUX operating system is freely available and,  to enhance the ability of the LINUX operating system, many teams work in collaboration.

• Multiuser: Linux operating system is a multiuser system, which means, multiple users can access the system resources like RAM, Memory or Application programs at the same time.

• Multiprogramming: Linux operating system is a multiprogramming system, which means multiple applications can run at the same time.

• Hierarchical File System: Linux operating system affords a standard file structure in which system files or user files are arranged.

• Shell: Linux operating system offers a special interpreter program, that can be used to execute commands of the OS. It can be used to do several types of operations like call application programs, and so on.

• Security: Linux operating system offers user security systems using authentication features like encryption of data or password protection or controlled access to particular files.