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Fundamentals of Linux LEU-118 Student Guide

Linux Computing Environment 1 Objectives Upon completion of this module, you should be able to: • List the four main components of a computer • Describe the three main components of the Linux operating system • Identify the three most common shells in the Linux system • Distinguish between the multitasking, multiuser, and distributed processing capabilities of the Linux system | SaigonCTT SSP 123 Truong Dinh street District 3 HochiMinh City Vietnam Fundamentals of Linux LEU-118 Student Guide page 1 Linux Computing Environment 1 Objectives Upon completion of this module you should be able to List the four main components of a computer Describe the three main components of the Linux operating system Identify the three most common shells in the Linux system Distinguish between the multitasking multiuser and distributed processing capabilities of the Linux system Discussion - Several different components work together to make up a computer system and a networked environment. What are some of these components Introduction to Linux The UNIX operating system was originally developed at AT T Bell Labs in 1969. It was created as a tool set by programmers for programmers. The early source code was made available to universities all over the country. Programmers at the University of California at Berkeley made significant modifications to the original source code and called it BSD Berkeley Software Distribution UNIX. They sent this new version of the UNIX environment to other programmers around the country who then added tools and code as they saw fit. Possibly the most important advance made to the software by the programmers at Berkeley was the addition of networking software which allowed the operating system to function in a local area network LAN . Linux is a UNIX-like operting system developed by Linus Torvalds a student at Helsinki University in Finland in 1991. It is a modern flexible mature and free operating system. Although it started life on the Intel platform it has since been ported to many other platforms such as Amiga DEC Alpha Apple Power PC Sun workstations and others. Linux boasts many other features Multitasking. Linux is a true preemptive multitasking operating system. All processes run independently of each other and leave processor management to the kernel. Symmetrical multiprocessing. Linux currently scales up to 16 .