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 ...

After two and a half decades of working with Unix, I’ve seen a lot of change in my favorite OS and, at the same time, retained a number of favorite commands that continue to keep my job as a ...

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 ...

Computer scientists have developed a new system to speed up computer programs in the Unix Shell. A new system, PaSH, has been developed to make computer programs run faster while also delivering ...

Unlike shell scripts on Unix systems, batch files are run by typing their names without their extensions. So to run a batch file named mapdrive.bat, you would type only “mapdrive”.

First, the Korn shell: To define an associative array in the Korn shell, we use the command “typeset -A” followed by the name of the array we are creating.

And you’re usually using a Unix shell like Bash through what’s called a terminal emulator. That’s why the command line program in Apple’s OS X operating systems is called Terminal.