What is the difference between a job and a process?
What is the difference between a “job” and a “process”?
job-control
How to terminate a background process?
I have started a wget on remote machine in background using &. Suddenly it stops downloading. I want to terminate its process, then re-run the command. How can I terminate it?
Difference between process group and job?
What’s the difference between a process group and a job? If I type pr * | lpr then is it both a process group as well a job?
What exactly is the difference between a process group ID and a job ID?
Is there any way to exit “less” follow mode without stopping other processes in pipe?
Often times I find myself in need to have the output in a buffer with all the features (scrolling, searching, shortcuts, …) and I have grown accustomed to less.
How to suspend and bring a background process to foreground
I have a process originally running in the foreground. I suspended by Ctrl+Z, and then resume its running in the background by bg <jobid>.
Concept of controlling terminal in Unix
Can some one please explain in an easy to understand way the concept of controlling terminal in unix and unix like systems ? Is it related to a session ? If yes, then how ?
What is the purpose of abstractions, session, session leader and process groups?
I understand from Informit article that sessions and process groups are used to terminate descendant processes on exit and send signals to related processes with job control.
Why do backgrounded processes sometimes stop spontaneously?
Sometimes, some time after I’ve backgrounded a process with bg in bash, when I press Enter in the same shell to redisplay the prompt (just to check that I’m still in bash when some output from the background process has been displayed), the background process seems to stop spontaneously.