A signal is a message which can be sent to a running process. Signals can be initiated by programs, users, or administrators.

learn more… | top users | synonyms

7
votes
2answers
2k views

What causes various signals to be sent?

I sometimes get a little confused by all of the signals that an application can receive. As I understand it, an application has a default handler for each of these signals, but it can provide its own ...
2
votes
2answers
409 views

Is nohup indefinite?

If I run a program with an infinite loop with nohup, will the program run indefinitely (until the machine is reset or until I manually terminate it)?