About Linux short briefing
Saturday, April 4, 2009
Linus Torvalds introduced LINUX in 1991. LINUX is developed keeping UNIX as a
reference model. We can consider LINUX as another version of UNIX. Mr. Linus has made the source code of the LINUX KERNEL available for study, develop and change over the internet. LINUX is an open-development model. It accepts modification to the KERNEL code. Now different distributions are available in the internet. Like RedHat, Mandrake,Slackware, SUSE etc. The core of the LINUX System is KERNEL. It controls the resource of the computer and allots these resources to users and different tasks. In other words we can say the KERNEL allows the users to interact with the hardware. However, we must keep in mind,users cannot access the KERNEL directly. Rather they use a simple user interface to communicate with the KERNEL, called a SHELL.
We will use RedHat E nterprise Linux Release 4 in the training program.
Before starting here is quick look to -
UNIX SHELL
Bourne Shell (sh) : Original UNIX shell written by Steven Bourne at AT&T.
C Shell (csh) : Written by Bill Joy at UC Berkeley
Korn Shell (ksh) : Written by David Korn at AT&T.
Bourne Again Shell (bash) : The default shell for RedHat Linux. We will find
many of the extra features of all the above shells – these include –
Command line completion
Command line editing
Command line h istory
Prompt control.
reference model. We can consider LINUX as another version of UNIX. Mr. Linus has made the source code of the LINUX KERNEL available for study, develop and change over the internet. LINUX is an open-development model. It accepts modification to the KERNEL code. Now different distributions are available in the internet. Like RedHat, Mandrake,Slackware, SUSE etc. The core of the LINUX System is KERNEL. It controls the resource of the computer and allots these resources to users and different tasks. In other words we can say the KERNEL allows the users to interact with the hardware. However, we must keep in mind,users cannot access the KERNEL directly. Rather they use a simple user interface to communicate with the KERNEL, called a SHELL.
We will use RedHat E nterprise Linux Release 4 in the training program.
Before starting here is quick look to -
UNIX SHELL
Bourne Shell (sh) : Original UNIX shell written by Steven Bourne at AT&T.
C Shell (csh) : Written by Bill Joy at UC Berkeley
Korn Shell (ksh) : Written by David Korn at AT&T.
Bourne Again Shell (bash) : The default shell for RedHat Linux. We will find
many of the extra features of all the above shells – these include –
Command line completion
Command line editing
Command line h istory
Prompt control.
posted by Gautam at 4:30 AM, | 
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