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Question Answer Tutorial - Linux->Linux Basics

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Question: What is Linux?
Answer: Linux is an operating system based on UNIX, and was&nbs
p;first introduced by Linus Torvalds. />It is based on the Linux Kernel, and can run on&
nbsp;different hardware platforms manufactured by Intel,/>MIPS, HP, IBM, SPARC and Motorola. />Another popular element in Linux is its mascot, a pen
guin figure named Tux.
Question: What is the difference between UNIX and LINUX?
Answer: Unix originally began as a propriety operating system from&n
bsp;Bell Laboratories, which later on spawned/>into different commercial versions. />On the other hand, Linux is a free, open source 
and intended as a non-propriety operating system for/>the masses.
Question: What is Linux Kernel?
Answer: The Linux Kernel is a low-level systems software whose 
main role is to manage hardware resources for/>the users. />It is also used to provide an interface for user-leve
l interaction.
                        
Question: What is the advantage of open source?
Answer: Open source allows you to distribute your software, includin
g source codes freely to anyone who is/>interested. People would then be able to add features 
;and even debug and correct errors that are in/>the source code. They can even make it run better,&nb
sp;and then redistribute these enhanced source code/>freely again. This eventually benefits everyone in the com
munity.
Question: What is a swap space?
Answer: A swap space is a certain amount of space reserved 
;for OS and used by Linux to temporarily hold some/>programs that are running concurrently. This happens when 
RAM does not have enough memory to hold/>all programs that are executing.
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