Teeing all outputs to | tee -a log allows you to later search the outputs, but there are times when you want to search the outputs dumped to the terminal. Therefore it's critical to use a terminal ...

All kinds of things can go wrong with your shell scripts, but they don't have to. Let's look a some debugging tips that can help ensure your scripts run the way you intend. The first step in debugging ...

In my initial days of programming, I have spent hours trying to find the error in my code, and in the end, it might be something simple. You might have faced the same ...

Last week's post provided some tips and tricks for debugging scripts. This week's provides some even better ones! In last week’s posting, I mentioned the -x and -v options that can be used on the ...

In a typical work week, a Unix systems administrator is likely to have at least one small mystery to solve — one “huh?”, one “that doesn’t make any sense” or one “I’ve never seen this before”. Most of ...

differs according to device type. Device Information in the FILENAME Statement shows the information appropriate to each device. Remember that UNIX filenames are case-sensitive. See Specifying ...