Question

True or False: Once you start a process, there is no way to change its niceness level except for stopping it and restarting it with the nice command.

Answer 1

The statement is false; the 'renice' command can be used to change the niceness level of a running process without restarting it.

Step-by-step explanation:

The statement is False.

Once a process is started in a UNIX-like operating system, you can change its niceness level without stopping it. The command used to change the priority of a running process is 'renice'. The 'renice' command allows you to alter the niceness value of one or more running processes. The niceness level ranges from -20 (most favorable scheduling) to 19 (least favorable). Only the root user or a process with the necessary privileges can increase the priority (i.e., decrease the niceness value), while decreasing the priority can be done by the process owner without special privileges.