0
What else can I help you with?
What is aging in operating system?
After certain time if we increase the priority then lower priority jobs will get chance fast.this process is called aging.it is used for multilevel feedback queue.
Can the top command be used to change the priority of processes?
Yes, certain versions of 'top' can change process priorities. However, you need sufficient priviledge to do that.
How are project classifications used in the capital budgeting process?
Like any other optimizing process, project classification seeks to identify most important parts of the budgeting process and give them highest priority, and to give a lower level priority parts attention they need.
What is realtime priority?
Real-time priority is a scheduling mechanism used in operating systems to ensure that certain tasks or processes receive immediate attention from the CPU. When a process is assigned real-time priority, it can preempt other lower-priority tasks, allowing it to execute with minimal delay. This is particularly important for applications that require consistent timing, such as audio processing or real-time data analysis. However, excessive use of real-time priority can lead to system instability if lower-priority tasks are starved of resources.
What is cycle stealing in operating system?
Cycle stealing is a technique used in multitasking operating systems where a process temporarily relinquishes control of the CPU to allow another process to execute. This approach helps improve system responsiveness and resource utilization by allowing high-priority tasks to run without fully preempting lower-priority tasks. The original process resumes execution once the higher-priority process completes or yields control. This method is particularly useful in real-time systems, where timely processing is essential.
What are the types of priority's?
Priority is a mechanism that concept is used when two or more process being processed at a time. In other words we would say "which process can be right to executed first among two or more processes" Generally priorities are several type. but system oriented types are 1. Static priority 2. Dynamic priority
How nice value is used to calculate process priority?
In Linux we can set guidelines for the CPU to follow when it is looking at all the tasks it has to do. These guidelines are called niceness or nice value.The Linux niceness scale goes from -20 to 19. The lower the number the more priority that task gets. If the niceness value is high number like 19 the task will be set to the lowest priority and the CPU will process it whenever it gets a chance. The default nice value is zero.
Which command is used to create a sub processes?
For Unix, any command is run as a sub-process. You don't need an actual command to create the subprocess. You can also force the process to run in the background by appending a '&' symbol at the end of the command.
What is the default value of bridge priority on cisco switches?
The default bridge priority on Cisco switches is 32768. This value is used in the Spanning Tree Protocol (STP) to determine the root bridge in a network. Lower bridge priority values are preferred, so if multiple switches have the same priority, the switch with the lowest MAC address becomes the root bridge.
What is the function of the kill command?
The 'kill' command is used to send a 'signal' to a process. The process is then free (for the most part) to interpret the signal as it wishes, assuming it is not a termination signal that cannot be ignored. A signal is an interrupt to the process; there are many signals that may be sent to a process or program.
Show the advantages of redirection with example in unix?
I/O Redirection is used when you don't want the output to go to the standard output location, e.g., the screen. It can be very helpful in capturing information to be used in a later process. For example, if the command 'ls' is used the output goes to the screen. But if the command 'ls > ls.out' is used, then the ls command output will be redirected to a file called ls.out, which can be examined, edited, or used in a later process.
What is the relation of SJF scheduling to priority scheduling?
Shortest Job First (SJF) scheduling and priority scheduling are both CPU scheduling algorithms used in operating systems to manage process execution. SJF selects processes based on the shortest estimated execution time, while priority scheduling selects processes based on their assigned priority levels. In some cases, SJF can be viewed as a specific type of priority scheduling where the priority is inversely related to the job length—the shorter the job, the higher its priority. Thus, both approaches aim to optimize CPU utilization but differ in the criteria they use for process selection.
