The passwd file lists the user accounts on a Unix system, along with their user and group ID numbers, their home directory, and the path to the corresponding command or shell.

When I prepare a file system summary report on Unix, a handful of Unix commands easily provide some very useful statistics. To count the files in a directory, you can use a find command like this.

What do these file system and directory names tell us about the intended content? To best understand why particular conventions were adopted, hark back to the early days of Unix and how the ...

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect.

Fragmentation on Unix Most modern Unix file systems attempt to fragmentation at a minimum, though they do this in various ways. The ufs file systems used by Solaris and nearly all BSD variants of ...

Hfsdebug Hfsdebug is a third-party command-line utility that outputs information stored in the file system's catalog and attributes files. To install it, download the precompiled executable from ...

The Unix operating system is one of computing's most significant technologies, providing the framework that the familiar Linux and Mac OS X operating systems were developed on. Unix can be a ...

There are distinct differences between Unix and MS Windows security philosophies. Two design policies serve as apt examples of those differences.

Note that your prompt will change as you move around the file system or if you become a different user on your machine (such as the root or superuser in order to run administrative commands).