Operating System :: Process Management - Discussion
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Background running processes are typically called
ADaemons
BTasks
CProcesses
DNone of these
Show Explanation
Background processes are also known as Daemon processes. It runs
in the background without keyboard input and waits till keyboard input is
required. Thus, other processes can be done in parallel with the process running in background since they do not have to wait for the previous process
to be completed.
Adding & along with the command starts it as a background process
$ pwd &
Since pwd does not wants any
input from the keyboard, it goes to the stop state until moved to the
foreground and given any data input. Thus, on pressing Enter,
Output:
[1] + Done pwd
$
That
first line contains information about the background process – the job number
and the process ID. It tells you that the ls command background process
finishes successfully.
Asked In ::
Background processes are also known as Daemon processes. It runs
in the background without keyboard input and waits till keyboard input is
required. Thus, other processes can be done in parallel with the process running in background since they do not have to wait for the previous process
to be completed.
Adding & along with the command starts it as a background process
$ pwd &
Since pwd does not wants any
input from the keyboard, it goes to the stop state until moved to the
foreground and given any data input. Thus, on pressing Enter,
Output:
[1] + Done pwd
$
That
first line contains information about the background process – the job number
and the process ID. It tells you that the ls command background process
finishes successfully.
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