what are processor execution levels and priorities?

Answers were Sorted based on User's Feedback



what are processor execution levels and priorities?..

Answer / sekhar

Every Process in Linux has execution priority. It ranges
from -20 (highest priority) to 19 (lowest).
Except su(Super User) others cannot increase the priority.
Only superuser can assign priority of -ve value.

Default priority is 0.
You can change your process priority using setpriority
system call.
You can get your process priority using getpriority system call.

Is This Answer Correct ?    14 Yes 8 No

what are processor execution levels and priorities?..

Answer / rajan.v.r

in linux all process are having priorities. using nice
command we can alter the priorities

Is This Answer Correct ?    4 Yes 5 No

Post New Answer

More Unix Commands Interview Questions

Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...

27 Answers   CGI,


Enlist some filename manipulation commands in unix.

0 Answers  


the difference between a soft link and a hard link?

6 Answers  


what is the meaning of this command rm -rf / what will it do ?

5 Answers   Altair,


fork in unix ?

4 Answers   BFL,






What is an Environment Variable?

4 Answers   CTS,


Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

0 Answers  


How to redirect standard error to a file?

2 Answers  


What is shrinking file system in AIX where it actually resides?

0 Answers  


why unix operating system provides more security than other operating systems?

4 Answers  


Which command will you use to change the permissions on file?

7 Answers  


What is the use of the tee command?

0 Answers  


Categories