OS means Operating System, UNIX means a system which allows the users to get connected with the computer. Shell programming is a program that allows the user to work with the computer differently as required.
The Computer program that distributes the resources as per the requirement, or the need of the user coordinates all needs internally is called the operating system or the Kernel
The user communicates with the Operating System or Kernel through a program which is known as shell programming. The Shell is like a command an interpreter that translates your commands, which you have entered. These commands are then converted to a language which the Kernel understands.
UNIX program was that, which was developed in 1969 by a group of employees namely Ken Thompson, Dennis Ritche, Douglas, MacIlroy and Joe Ossanna at Bell Labs owned by AT&T Company.
There are various UNIX variants available in the market like Solaris, AIX, HP UNIX, and BSD etc, Linux is a flavour of UNIX which is easily available in the market.
The UNIX Computers is one such product which can be used by many, at the same time hence it is called multiuser. The user can run multiple programs at the same time with UNIX therefore it gives a multitasking atmosphere to the user.
This is a process which takes your requests, once your request is taken up the command is carried out; it interprets the way you want to program. The shell uses standard syntax for all your commands; there are various shells like C Shell, Bourne Shell and Korn Shell are some of the important and famous shells easily available with most of the UNIX Variants.
To buy a course, you need to click on the ‘Buy Now’ option available on the course page. After clicking on it, you can proceed ahead and make the payment of the course using a convenient mode of payment to buy it. For Help Watch a video here
After you have selected the course
that you wish to purchase, click on the ‘Buy Now’ option on the course page.
This will redirect you to the Checkout page. In case you wish to apply any
coupon code, the page will provide you an option to do so.
If you are new to the site, you will
be asked first to create an account, In this case, you will have to fill a form.
On the Checkout page, simply select
the payment mode that you wish to use for purchasing the course. The payment
options available are Credit/ Debit Card, Internet Banking, as well as UPI.
After making the payment successfully, you will receive a confirmation message as well as an email at the registered email address.
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You can immediately start the course as per your convenience by going on the dashboard and entering the correct credentials. Check, How can I login to my course.
The
courses available here are completely online and, thus, offer the
flexibility to one to complete the course within his/her time. The course
duration mentioned in the course syllabus would be printed on the course certificate.
However, the user can finish the course in lesser time as well.
The minimum passing marks percentage for each course is 50%. Only once
the user passes the exam, he/she is eligible for the Certificate.
For verification of the course certificate, you have to simply scan the QR code or can use Certificate No to verify your certificate.
Click here to verify your certificate