38. Common Linux Shell functions, nice

1. The priority ranges from-20 to 19. The higher the priority, the lower the priority.

2. Nice can specify a modest (priority) Increment value for the process when creating a process, the priority value of a process is the sum of the shell priority value of the parent process and the humility we specify.

3. Example

1) Nice

Nice-N 5 Gaim & // run GaimProgramAnd specify a modest increment of 5 for it;

Nice-n increasing value program of humility

2) renice uses the process ID (PID) to change the level of modesty and then the priority of the process to be changed.

Renice modest PID

Reference

[1]Http://www.linuxsir.org/main/node/210