11-03-2009
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(1) User Commands PWD(1)
NAME
pwd - print name of current/working directory
SYNOPSIS
pwd [OPTION]...
DESCRIPTION
Print the full filename of the current working directory.
-L, --logical
use PWD from environment, even if it contains symlinks
-P, --physical
avoid all symlinks
--help display this help and exit
--version
output version information and exit
NOTE: your shell may have its own version of pwd, which usually supersedes the version described here. Please refer to your shell's docu-
mentation for details about the options it supports.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report pwd translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by Jim Meyering.
COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
getcwd(3)
The full documentation for pwd is maintained as a Texinfo manual. If the info and pwd programs are properly installed at your site, the
command
info coreutils 'pwd invocation'
should give you access to the complete manual.
GNU coreutils 8.22 June 2014 PWD(1)