The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

I am a novice to Unix. I have a small task to edit a text file and remove all Chinese characters that use the Big5 format of double-byte characters. Would someone please point me in the right ...

The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...

If you have ever copied or opened a Unix file in the Windows Notepad, you would have seen that the result is very ugly as all of the text appears as a mess on one line as Notepad does not recognize ...

Demand Peripherals, Inc., makes an FPGA-based robot controller that gives a robot or other industrial control systems the high I/O pin count and precise timing that a Linux laptop or single-board ...

Millions of people use Linux every day, but we rarely stop to think about how the operating system feels about it. Wouldn’t it be nice to know what Linux really thinks about open source, Windows, Macs ...