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The Linux Kernel – The Foundation of a Large Variety of Free Software
The Linux kernel is the foundation of a large variety of free software. The system also includes traditional specific-purpose programming languages targeted at scripting, text processing and system configuration and management in general.
Its modular design allows it to be optimized for particular applications, and its security features make it one of the most secure operating systems available. In addition, it is free to use without paying license fees.
0 linux is an operating system
An operating system manages hardware resources and provides an environment under which application programs can run. It consists of a kernel and other software programs that solve different tasks. It also supports a wide range of devices and applications.
While attending a course at the University of Helsinki in 1990, Linus Torvalds began developing the kernel for what would become Linux. He did so because he was frustrated with the restrictive licensing of MINIX, which at the time could only be used for educational purposes.
Linux is an open source operating system, which means it can be modified and distributed by anyone around the world. It is known for its stability and security, and it can be used on a variety of computers, including mainframes. It is also used to support a growing number of wearables and smart home gadgets. Linux variants even power many of today’s most popular gaming systems. In addition, it is used to tie together thousands of PCs into powerful computer clusters for solving large mathematical calculations.
0 linux is free
Stallman and the FSF have often referred to the family of operating systems as GNU/Linux, but other individuals and communities also produce Linux components. The combination of the kernel and these third-party non-GNU components, along with package management software and other infrastructure, is distributed by Linux vendors and communities in the form of Linux distributions.
In many cases, a business may choose to use Linux because it is free. However, even though the operating system is free of charge, it will still cost in other ways, such as staff time, training and hardware.
Another argument against using Linux is that it will take longer to perform tasks than with other platforms. This is true if the user is not familiar with UNIX-like operating systems or does not consider his or her time to be of value.
0 linux is open source
The Linux kernel is developed by a worldwide community of individuals and organizations. Many open-source software projects contribute to a Linux distribution, including user applications and libraries, system management tools, the traditional Unix message transfer agent sendmail and the advanced text editor GNU Emacs. Linux systems typically support traditional specific-purpose programming languages for scripting, text processing and system configuration. Day-to-day development discussions take place on the Linux kernel mailing list (LKML) and change management is tracked by a free software version of BitKeeper, git.
Linux provides a wealth of mechanisms to reduce the kernel’s attack surface and improve security, including the NSA-developed SELinux modules and AppArmor. It also supports kernel preemption, which improves responsiveness and is critical for desktop and real-time applications. Most Linux software, such as bash, LibreOffice, gcc, musl, glibc, GTK and Qt, is developed independently of the kernel by separate stand-alone project teams. However, their licenses allow them to be combined into Linux distributions.
