12-24-2013
What OS is this?
Many of your commands would depend of OS (some allow users to chmod, chown… others don't…) and initial permissions in parent directories…
using groups and chmod 2775 <dir> can be of some help...
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LEARN ABOUT DEBIAN
explain_chmod_or_die
explain_chmod_or_die(3) Library Functions Manual explain_chmod_or_die(3)
NAME
explain_chmod_or_die - change permissions of a file and report errors
SYNOPSIS
#include <libexplain/chmod.h>
void explain_chmod_or_die(const char *pathname, int mode);
DESCRIPTION
The explain_chmod_or_die function is used to call the chmod(2) system call. On failure an explanation wiil be printed to stderr, obtained
from explain_chmod(3), and the the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
explain_chmod_or_die(pathname, mode);
pathname
The pathname, exactly as to be passed to the chmod(2) system call.
mode The mode, exactly as to be passed to the chmod(2) system call.
Returns:
This function only returns on success. On failure, prints an explanation and exit(EXIT_FAILURE)s.
COPYRIGHT
libexplain version 0.52
Copyright (C) 2008 Peter Miller
AUTHOR
Written by Peter Miller <pmiller@opensource.org.au>
explain_chmod_or_die(3)