(A) wait
(B) fork
(C) exec
(D) exit
Category: Operating System Mcqs
Operating systems Mcqs for Screening tests, Interviews, Viva and Other competitive exams. Operating System Mcqs section will help users to prepare mcqs of Operating Systems for various exams. Aspirants of Lecturer Computer Science, SST Computer Science, Subject Specialist Computer Science, Data Entry operator, Computer Programmer, Computer Operator, System administrator and all other Exams can prepare their operating system portion from here.
The hardware mechanism that enables a device to notify CPU is called an?
(A) Signal
(B) Trap
(C) Process
(D) Interrupt
The manual pages can be read in Linux using __ command.
(A) help
(B) desc
(C) wan
(D) man
A program in execution is called a?
(A) Software
(B) Compiler
(C) Command
(D) Process
Which scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm?
(A) Preemptive Shortest Job First
(B) Non-preemptive SJF
(C) Priority Scheduling
(D) FCFS
Which directory includes essential system boot files including the kernel image?
(A) /boot
(B) /dev
(C) /bin
(D) /etc
Time interval when the I/O Devices are accessed is known as?
(A) IO Burst
(B) CPU Burst
(C) Time slice
(D) None of the above
Which command gives a snapshot of the current processes?
(A) ps
(B) top
(C) who
(D) ls