I wrote a small Unix shell in C.How are commands like `ls` and `cat`, which we use casually in the terminal, actually ...

In the business world, Unix computers are typically used for server applications and high-end graphics workstations, such as those used in creating computer graphics. Even if you're not a system ...

Terminating processes on Unix systems is not quite an art, but there are sure a lot more options for how to select and terminate Unix processes than there are ways to skin a cat. In this post, we take ...

I have a normal Linux process named 'myApp' running. I want myApp to check to see if another instance of myApp already running and immediately exit if one is indeed detected. Creating a lock file (say ...

While it may not be the most controversial feature ever added to Linux, there is little difficulty in finding mailing lists or Internet forums containing heated arguments about the merits of control ...

If you only do occasional work in Linux, chances are that the work is related to processes. Processes are launched with the systemd service manager. You need Linux process management commands to ...

Daniel Colascione submitted some code to support processes knowing when others have terminated. Normally a process can tell when its own child processes have ended, but not unrelated processes, or at ...