Midterm Short Answer

Question 1

What is the .bashrc file for?

Answer 1

interactive shell (not login shell)`

Question 2

Context switching steps

Answer 2

first process state must be saved, first process is saved in PCB. Second process is loaded, execution can continue for 2nd process.

Question 2

what is a victim of deadlock resolution?

Answer 2

the process with the lowest priority is preempted and all its resources are freed.

Question 3

Describe the 7 common file types in linux

Answer 3

regular files, directories, character device files, block device files, local domain sockets, named pipes, symbolic links

Question 4

Deadlock 1

Answer 4

Mutual Exclusion

Question 5

Deadlock 2

Answer 5

Resource Holding

Question 6

Deadlock 3

Answer 6

No Preemption

Question 7

Deadlock 4

Answer 7

Circular wait

Question 8

4 conditions needed for deadlock

Answer 8

mutual exclusion, resource hoding, no preemption, circular wait

Question 9

Linux filetype 6

Answer 9

Local domain socket

Question 10

Linux filetype 7

Answer 10

named pipe