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implementing mkdir, chdir, mv, pwd inside a shell !

 
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Homework and Emergencies Homework & Coursework Questions implementing mkdir, chdir, mv, pwd inside a shell !
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Old 11-03-2009
CPU & Memory implementing mkdir, chdir, mv, pwd inside a shell !

1. The problem statement, all variables and given/known data:

need to implement mkdir, chdir, mv, pwd

given a shell.cpp directory.cpp and some other files

this shell missing these commands, and i need to implement them inside the shell

2. Relevant commands, code, scripts, algorithms:

shell included in this file:
http://avida.cs.wright.edu/courses/C...Winter.tar.bz2


3. The attempts at a solution (include all code and scripts):

the mkdir is not working from inside the shell. neither chdir , mv or pwd.

i successfuly implemented piping ,redirection, execution in the background in earlie assigment, but this assigment is not working out

4. School (University) and Course Number:

CEG433/CEG633 - Operating Systems

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pwd.h(3HEAD)							      Headers							      pwd.h(3HEAD)

NAME
pwd.h, pwd - password structure SYNOPSIS
#include <pwd.h> DESCRIPTION
The <pwd.h> header provides a definition for struct passwd, which includes the following members: char *pw_name user's login name uid_t pw_uid numerical user ID gid_t pw_gid numerical group ID char *pw_dir initial working di rectory char *pw_shell program to use as shell The gid_t and uid_t types are defined as described in <sys/types.h>. See types.h(3HEAD). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
getpwnam(3C), types.h(3HEAD), attributes(5), standards(5) SunOS 5.11 10 Sep 2004 pwd.h(3HEAD)

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