Linux, a prominent UNIX operating system, is an open-source operating system since its source code is freely available, i.e. it is free to use. It is compatible with UNIX and performs similar operations. It is the fastest-growing operating system, with devices ranging from phones to supercomputers using it.
Linus Torvalds created the Linux operating system in 1991 to help improve the UNIX OS. When he recommended these modifications to UNIX creators, he was turned down, so he considered developing his own operating system. An operating system that allows users to modify it.
Components of Linux System :
A Linux operating system is made up of three parts:
Kernel:
The kernel is the heart of Linux and is responsible for all main operations that occur in this operating system because it directly interacts with the underlying hardware. A kernel contains numerous modules. IT aids in the concealment of low-level hardware information from system or application programs by providing the necessary abstraction to these components.System Library:
It facilitates access to Kernel capabilities and the implementation of most OS functionalities. The system library's special functions and programs do not require kernel module code access rights.System Utility:
These applications carry out specialized, individual-level activities.
Linux's Features
The following are the characteristics of the Linux operating system:
Portable:
This feature makes the OS portable, which means it can run on a variety of hardware. Linux may be installed on any type of hardware platform.Open Source:
Because Linux is a community-based development effort, its source code is available for free. Multiple teams working together to improve Linux's capabilities and evolution.Multi-User:
Multiple users can access the OS's system resources at the same time.Multiprogramming:
The ability to run many applications at the same time.Hierarchical File System:
Linux uses a standard file structure to organize system and user files.Shell:
A particular interpreter program that aids in the execution of OS instructions and the execution of numerous types of tasks
The Architecture Of The Linux Operating System :
The levels of a Linux system are as follows:
Hardware:
This category contains peripheral components such as RAM, HDD, and CPU.Kernel:
Directly interacts with hardware and delivers low-level services to upper-layer components.Shell:
This hides the complexity of a kernel's functions and serves as an interface to it. It accepts user commands and executes kernel functions.Utilities:
Utility programs provide OS functionality to the user.
The Advantages of Linux
Anyone with programming expertise can modify it.
It is simple to learn for beginners.
There are millions of programs, applications, and Linux software to pick from, most of which are free! The system does not require an antivirus using Linux.
It is a highly secure system that is regularly upgraded by a global development community. This increases the OS's security and robustness.
It is an excellent solution for server environments due to its stability and dependability. Linux-based servers can run indefinitely without needing to be rebooted.