Accept commands from the user, Computer Engineering

Assignment Help:

Your shell must accept commands from the user. The first step to implement this will be reading a line of input. This section will focus on what to do with the line of input after it is read. A command will consist of the name or path to the command, followed by zero or more arguments separated by white spaces. For this assignment, we will define white space as one or more space characters. Here is an example of a command with arguments:

l s  - a l

In this argument _ls_ will be the command and _-al_ is the first and only argument. To allow proper formatting the commands, we will put these commands into an array of char*. So, the first element of the array should be _ls_, and the second element should be _-al_. To parse the commands, we suggest using the strtok function from string.h. You can use just a space (" ") as the lone delimiter. Remember to consider the case where the user does not enter any command and hits the enter key. Your shell should simply print the prompt again on a new line.


Related Discussions:- Accept commands from the user

Explain about the mini computers, Explain about the MINI COMPUTER Minic...

Explain about the MINI COMPUTER Minicomputers are much smaller in size than mainframe computers and they are also less expensive.  The cost of these computers can differ from a

What are packages, What are packages? Package is a group of elements (c...

What are packages? Package is a group of elements (classes, generalizations, associations and lesser packages) with a common theme. Package partitions a model making it simpler

Explain about the biometrics, Explain about the Biometrics  This inclu...

Explain about the Biometrics  This includes obtaining data and identifying characteristics automatically in security systems e.g. use of palm prints, finger prints, facial ima

Why is segmented paging important, Why is segmented paging important (as co...

Why is segmented paging important (as compared to a paging system)? Paging can be super-imposed upon a segment oriented addressing mechanism to acquire efficient use of the mem

Unlike ipv4 & ipv6 which field in base header not include, Unlike Ipv4, Ipv...

Unlike Ipv4, Ipv6 does not include which field in the base header? Unlike Ipv4, Ipv6 does not contain the Field for Fragmentation information into the base header.

Differentiate between compiler and interpreter, (i) Compiler and Interpret...

(i) Compiler and Interpreter: These are two types of language translators. A compiler changes the source program (user-written program) into an object code (machine language b

Define the time required by sector to reach below read/write, is the time r...

is the time required by a sector to reach below read/write head. Latency Time is the time needed by a sector to reach below read/write head.

Differentiate between at and xt computer system, Differentiate between AT a...

Differentiate between AT and XT computer system? Ans    XT -> Extended and AT->Advanced Technology Some differences between PC and XT include the type of power supply initia

Jewel polishing, Byteland county is very famous for luminous jewels. Lumino...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

Home entertainment, Home Entertainment: E-commerce has led to HOME ENTE...

Home Entertainment: E-commerce has led to HOME ENTERTAINMENT. The video aspect usually includes a large-screen and/or high definition television or a projection system.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd