priority for process

hi how to change the priority of a process for eg.if a,b,c these there process are running and if i have to give the b process as high priority and high severe level what should i do

man nice.

nice is a command in unix tht can be used to set priorities in unix processes.

nice 1 b &
nice 2 a &
nice 3 c &

cheers,
Devaraj Takhellambam

thank u very much my friend

See also "renice", which allows you to change priority while the process is actually running.