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 ...

Linux 101: What does “sourcing a file” mean in Linux? Your email has been sent Jack Wallen explains the Linux source command by way of an example. Sourcing a file in Linux is a very important concept, ...

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 ...