There are four ways to specify that a file is in UNIX System Services when you use the FILENAME statement or FILENAME function: You can also use these specifications in combination. For example, you ...

One of the questions that Unix users are sometimes reluctant to ask is how all the directory names — like /etc, /var and /usr/local — came about in the first place. Why did we adopt the particular ...

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 ...