UNIX JOBS AND PROCESSES MCQ

Unix operating system

Title
Which option is preferred while killing a process using SIGKILL signal (9)?
Which of the followings command(s) is used to kill the login shell?
Kill -l will list all the signal numbers on our machine
The command fg %1 will bring the first background job to the foreground
The command bg %2 is valid
What does the following command do?
Which of the following is not a part of job control facilities?
POSIX shell provides job control facilities like bg or fg
Which command is used to list the status of jobs?
We can schedule a job to run at a specified time of day using _______ command
We can use the _____ symbol with at command to redirect our output to a specified file
Which of the following keyword is not supported by at command?
Which one of the following forms used with at command is invalid?
To remove a job from the queue, which option is used with at command?
We cannot find out the name of the program scheduled using at command
Which command permits to schedule jobs for later execution, as soon as the system load permits?
Jobs scheduled using batch command goes to a special at queue
Jobs scheduled using batch command can be removed using ___ option
What is a daemon?
What is cron?

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