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what is OS? An operating system is an interface between the user of a computer and the computer hardware. It is a collection of software that manages computer hardware resources and offers common services for programs of the computer. The short term of the operating system is OS. And, it is, an essential component of the system software in a computer system. The main purpose of an OS is to afford an environment in which a user can execute a program in an efficient or convenient manner
About Linux :
Linux is POSIX compliant of UNIX operating system. This is developed by Linus Torvalds in the year 1991 Linux is a name which broadly denotes a family of free and open-source software operating systems (OS) built around the Linux kernel. Linux is packaged in a form known as a Linux distribution for both desktop and server use. The defining component of a Linux distribution is the Linux kernel, an operating system kernel first released on September 17, 1991.
Basic Features of Linux
- Portable
Portability means software can works on different types of hardware in same way. Linux kernel and application programs supports their installation on any kind of hardware platform.
- Open Source
Linux source code is freely available and it is community based development project. Multiple teams work in collaboration to enhance the capability of Linux operating system and it is continuously evolving.
- Multi-User
Linux is a multiuser system means multiple users can access system resources like memory/ ram/ application programs at same time.
- Multiprogramming
Linux is a multiprogramming system means multiple applications can run at same time. _ 5. Hierarchical File System
Linux provides a standard file structure in which system files/ user files are arranged.
- Shell
Linux provides a special interpreter program which can be used to execute commands of the operating system. It can be used to do various types of operations, call application programs. etc.
- Security
Linux provides user security using authentication features like password protection/ controlled access to specific files/ encryption
About Linux By manisH
- Linux is a name which broadly denotes a family of free and open-source software operating systems (OS) built around the Linux kernel.
- Linux is packaged in a form known as a Linux distribution for both desktop and server use.
- The defining component of a Linux distribution is the Linux kernel, an operating system kernel first released on September 17, 1991.
- It is developed by Linus Torvalds.
- Linux was originally developed for personal computers based on the Intel x86 architecture.
- The dominance of the Linux kernel-based Android OS on smartphones, Linux has the largest installed base of all general-purpose operating systems.
- It is used by around 2.3% of desktop computers.
- Linux also runs on embedded systems.
- The development of Linux is one of the most prominent examples of free and open-source software collaboration.
- The underlying source code may be used, modified and distributed commercially or non-commercially—by anyone under the terms of its respective licenses, such as the GNU General Public License.