Making use of previously entered commands can help you remember the location of files previously edited, canremove the need to re-enter long path names and can save you a lot of typing mistakes.

A new system, PaSH, has been developed to make computer programs run faster while also delivering accuracy in the Unix shell. The Unix shell is a 50-year-old programming environment that is still ...

One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of focus in this ...

One of the most convenient ways to manipulate information in scripts is to store it in an array. Arrays facilitate looping through lists of related values, keeping track of an ever changing number of ...

This Wiley Publishing tome is big (more than 650 pages), useful and very complete. Be warned, however, that its scope is limited to system administration. The purpose of the book is to solve “real ...

Linux built-ins are commands that are built into the shell, much like shelves that are built into a wall. You won’t find them as stand-alone files the way standard Linux commands are stored in ...

If you want to learn the OS X command line, but find the available books intimidating, bristle at the thought you should read anything for "dummies," or just worry that you may by eaten by a grue ...

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 viable ...