nice
nice
is a command line tool for Unix-like operating systems, used to modify the priority level of running processes. It allows users to adjust how much CPU time a process gets, giving them control over the execution priority.
The nice
command is used to launch other commands or processes with an altered priority level. By assigning a specific priority value, users can control how much CPU time a command will receive compared to other tasks running on the system.
The priority level ranges from -20 to +19, where -20 represents the highest priority, and +19 represents the lowest priority. The default priority is 0.
Using nice
, users with administrative privileges can launch high-priority tasks or reduce the priority of resource-intensive processes, helping to manage system resources more efficiently.
The nice
command can be used in combination with other commands, such as renice
, to alter the priority of currently running processes.
While nice
can be beneficial to assign CPU priority, it should be used with caution, as assigning higher priority to a process may impact the performance of other tasks.
nice
operates through a priority-boosting mechanism, where it provides certain tasks with additional resources while maintaining fairness among all processes.
With the help of nice
, administrators can optimize the responsiveness of critical processes or temporarily reduce the impact of resource-heavy tasks on a system.
The utility of nice
becomes particularly significant when dealing with long-running or system-critical tasks that may require more resources to execute smoothly.
Ultimately, nice
empowers users to manage how processes interact within the system, ensuring efficient utilization of available resources for a smoother overall performance.
List of commands for nice:
-
nice:tldr:7cca2 nice: Launch a program with altered priority.$ nice -n ${niceness_value} ${command}try on your machineexplain this command