The pgrep command is a tool for looking through currently running processes based on a number of different attributes and providing the process IDs (PIDs), but it does a lot of other things as well.

A reader recently asked how he could most easily terminate processes that were left running after his users had logged off a system. The processes in question were apparently consuming resources ...

Signals can be sent to processes using the kill command, but this is not the only way that this occurs. When you issue a ^c command to end a foreground process, you are sending a signal 2 (SIGINT) to ...