The Shell or Command Line Interpreter is the fundamental Use, C/C++ Programming

Assignment Help:
1. The shell must support the following internal commands:
i. cd - Change the current default directory to
. If the argument is not present, report
the current directory. If the directory does not exist an appropriate
error should be reported. This command should also change the PWD
environment variable.
ii. clr - Clear the screen.
iii. dir - List the contents of directory .
iv. environ - List all the environment strings.
v. echo - Display on the display followed by a
new line (multiple spaces/tabs may be reduced to a single space).
vi. help - Display the user manual using the more filter.
vii. pause - Pause operation of the shell until ''Enter'' is pressed.
viii. quit - Quit the shell.
ix. The shell environment should contain shell=/myshell
where /myshell is the full path for the shell executable
(not a hardwired path back to your directory, but the one from which
it was executed).

Related Discussions:- The Shell or Command Line Interpreter is the fundamental Use

What does it mean to declare a member function as a virtual, What does it m...

What does it mean to declare a 1.      member function as a virtual A: (a) C++ virtual function is member function of any class, whose functionality may be over- ridden in

Calculate the area and circumference of a circle , Write a program which in...

Write a program which incorporates a function named compute and which is used to calculate the area and circumference of a circle. Use the main function for inputs and outputs.

What is a recursive function, Question 1 Write a program in ‘C' to check w...

Question 1 Write a program in ‘C' to check whether a given number is even or odd Question 2 Explain while and do... while loop with an example Question 3 Write a program

C, minimum total number of shelves.

minimum total number of shelves.

C programming a video player, FIT 3042 System Tools and Programming Languag...

FIT 3042 System Tools and Programming Languages Semester 1 2013 Assignment 1 An SDL video player for a custom video format Worth: 20% of final mark. Must be completed individually

[email protected], Write a program to find the area under the curve y =...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b

Return values, What is the purpose of return values? Can you not return any...

What is the purpose of return values? Can you not return any values from a function? If you could what would he function look like?

Program that implements inference given a bayesian network, In this problem...

In this problem, you will write a program that implements two algorithms for performing exact inference given a Bayesian network, namely, enumeration and variable elimination. Your

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