A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...

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 ...

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 ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...

The Unix command line provides numerous ways to make our work easier. Here are 15 “tricks” that I use often to make quick work of various tasks This one is pretty ...

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 ...