To make file readable by others (i.e., the “world”), set the directory containing the files to:
and set the files in the directory to:
Explanation of file permissions
There are 3 classes of permissions:
- User (sometimes referred to as “owner”)
- Others (sometimes referred to as “all” or “world”)
A common notation for permissions is a series of 10 characters, such as:
The first character represents the file type:
The remaining 9 characters represent 3 permissions for each of the 3 classes:
Directories must have execute permissions, such as:
Executable program files, such as CGI scripts, must have execute permissions, such as:
Regular files must have read and/or write permissions, such as:
Read, write, and execute permissions may also be represented in octal notation:
The octal values are added to result in desired read-write-execute permissions:
7for read-write-execute permissions
6for read-write permissions
5for read-execute permissions
4for read permissions
Examples of common octal notations are:
755is same as
644is same as
See File System Permissions in Wikipedia for more information.
There is interest in/concern about the accessibility of podcasts / audio / video / multimedia materials instructors post from classroom lectures, etc. Below are some links with related information.
Blog entries on the topic of Podcast Accessibility by Jeffrey Daniel Frey, the Web Services Manager for Enterprise Applications in the Information Technology Department at Rice University. He provides technology solutions for faculty, staff, and students on campus as well as teaches new technology courses at the School of Continuing Studies. He is available for podcasting consulting, is involved in the creation of podcasts for businesses and non-profits, and has owned a technical consulting company and an audio/video recording studio).
(WebAIM = Web Accessibility In Mind, an *excellent* resource for online
accessibility requirements, tutorials, how-tos!)
How-to info for Making Podcasts Accessible by the High Tech Center at
College of the Redwoods.
Ah ha! A server-based way to hide email addresses from harvesting robots! Uses Apache 2, mod_rewrite, PHP 4 or later.
Graceful E-Mail Obfuscation, by Roel Van Gils, A List Apart, November 6, 2007.
Contact your web server administrator or use .htaccess.