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

New customer, #questionhow can i add new customer and alot him a new unique...

#questionhow can i add new customer and alot him a new unique id ..

#include, Write a program to find the area under the curve y = f(x) between...

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

Statistical and Numerical methods using C++–, An experiment succeeds twice ...

An experiment succeeds twice as often as it fails. Find the chance that in the next six trials there will be at least four successes.

Subrotine assembly language, You have to write a subroutine (assembly langu...

You have to write a subroutine (assembly language code using NASM) for the following equation.

Decompression of files compressed with LZW, The files are meteorological ra...

The files are meteorological radar data whose decompression is badly needed for relative study. Please contact Kathy Lee (Email: ; Cell phone: 0086 15701799056) or Mr. Zhu (Email:

Program that controls the lcd display, Objective:  Construct a C program...

Objective:  Construct a C program that controls the LCD display, and is capable of displaying strings.  Add functions to the C program that allows more control over the display.

Cipher: Decrypt and Encrypt, You must write a program that can both decrypt...

You must write a program that can both decrypt and encrypt a single word that is entered by the user. The initial choice of encryption and decryption is left up to the user. Addi

Super ansii prgm, Ask quIn the Byteland country a string "s" is said to sup...

Ask quIn the Byteland country a string "s" is said to super ascii string if and only if count of each charecter in the string is equal to its ascci value in the byteland country as

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