You normally think of a critical section — that is, a piece of a program that excludes other programs from using a resource — as a pretty advanced technique. You certainly don’t often think of them as ...

You often may need to compare one version of a file to an earlier one or check one file against a reference file. Linux provides several tools for doing this ...

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 ...