One of the files that the average Unix sysadmin rarely looks at, almost never changes and yet depends on every time he or she reboots a system is the /etc/inittab file. This modest little file ...

One of the last things the Linux kernel does during system boot is mount the root filesystem. The Linux kernel dictates no filesystem structure, but user space applications expect to find files with ...

Sure, using the Linux command line is optional. But these are commands I depend on every day. See what you think.

The which command will show you the file-system location for a command’s executable. This is the file that is read and run whenever you type the command name. In the example below, there are two or ...

For those new to Linux, you might be a bit concerned about learning the command line. After all, you probably come from a platform that uses a GUI for nearly every task and haven’t spent much time ...

When Apple was about to introduce Time Machine in Mac OS X Leopard, John Siracusa wrote in the summer of 2006 about how a new file system should be coming to Macs (which it did, 11 years later). The ...

An operating system's kernel manages resources, handles system calls, governs hardware access, and controls processes. The ...

The tree command is perfect for viewing your entire directory structure at a glance. It shows folders and files in a clear, ...