A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we ...

What does extended file attributes actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

For example, if you transfer a transport file from a UNIX host to an OS/390 host, you must specify file attributes through the communications software. Besides setting file attributes for those hosts ...

Want to limit access to your system? Here's how to change file permissions on Mac and restrict their access to different users on your computer.

Unix generally divides permissions in user, group, and “world,” meaning all other users of the system for read, write, execute, and a few extras typically needed only by system files.