Define shell and system call. Suppose a disk has 201 cylinders, numbered from 0 to 200. At same time the disk arm is at cylinder 95, and there is a queue of disk access requests for cylinders 82,170,43,140,24,16 and 190. Calculate the seek time for the disk scheduling algorithm FCFS,SSTF,SCAN and C-
Define shell and system call. Suppose a disk has 201 cylinders, numbered from 0 to 200. At same time the disk arm is at cylinder 95, and there is a queue of disk access requests for cylinders 82,170,43,140,24,16 and 190. Calculate the seek time for the disk scheduling algorithm FCFS,SSTF,SCAN and C-SCAN.[10]
Video solutionDisk Scheduling: FCFS SSTF SCAN and C-SCAN Seek Time2:14
Speed
Checked against the model answer before publishing.
A shell is a command interpreter that provides the interface between the user and the operating system kernel. It accepts user commands, interprets them, and hands them to the OS for execution. It also lets users run programs, manage files, and control processes. Examples: Bash, sh, csh, zsh. A s...