What Linux is and Shell Script-One

What Linux is and Shell Script-One - WhatLinuxis? Free...

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    What Linux is?
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    Free  Unix Like  Open Source 
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    Who developed the Linux? In 1991, Linus Torvalds studding Unix at the  University, where he used special educational  experimental purpose operating system  called Minix (small version of Unix and used  in Academic environment).  But Minix had it's own limitations. Linus felt  he could do better than the Minix. So he  developed his own version of Minix, which is  now know as Linux. Linux is Open Source  From the start of the day
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    How to get Linux?
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    Linux distributions. Website/Logo Red Hat Linux: http://www.redhat.com/ SuSE Linux: http://www.suse.com/ Mandrake Linux: http://www.mandrakesoft.com/ Caldera Linux: http://www.calderasystems.com/ Debian GNU/Linux: http://www.debian.org/ Slackware Linux: http://www.slackware.com/
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    Where to use Linux? You can use Linux as Server Os or as stand  alone Os on your PC. (But it is best suited for  Server.) As a server Os it provides different  services/network resources to client. Server  Os must be:  Stable  Robust  Secure  High Performance
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    Linux Server with different  Client Os
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    Proxy/Mail/WWW/Router  Server etc.
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    What Kernel Is? Kernel is heart of Linux Os . It manages resource  of Linux Os. Resources means facilities available  in Linux. For e.g. Facility to store data, print data  on printer, memory, file management etc . Kernel decides who will use this resource , for how  long and when. It runs your programs (or set up to  execute binary files). The kernel  acts as an intermediary  between the  computer hardware and various  programs/application/shell.
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    It performance following task I/O management  Process management  Device management  File management  Memory management
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  - Surrounding the kernel and acting as a user interface to the Unix operating system - Command language interpreter - Interprets the command users enter - Selects and runs the command or program - Provides the results to the screen or file as directed by the command -C shell, Bourne shell, Korn shell Linux functionally organized at three levels shell Tools and applications The main part of operating system, and responsible for controlling system resources. -Loaded into memory when the system boots -Process control and scheduling -Memory management -Device I/O -System error handling -User programs requesting services from the kernel through system calls -Hardware devices getting kernel response kernel offering additional functionality to the operating system
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    What is Linux Shell ?
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This note was uploaded on 07/15/2011 for the course ECO 2023 taught by Professor Mr.raza during the Summer '10 term at FAU.

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What Linux is and Shell Script-One - WhatLinuxis? Free...

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