While the average Unix user is generally satisfied by the date/time stamps that he sees when using the ls -l command, it is sometimes useful to remember that there are actually several time stamps ...

There are many ways to move files between Unix and Windows. In my mind, they fall into three categories — secure copy (let’s not even think about ftp), shared drives, and file synchronization. Each ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

We have looked at the fuser command before to display information about what users or processes are keeping file systems busy. This command can save you a lot of time tracking when you need to quickly ...

Many hands make light work.

The operating system your MacBook runs, OS X, is built on top of UNIX, and Terminal provides you with access to the underlying UNIX system commands. Most server software that your business would want ...

Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of the user. This Unix command is used for command line processing.