Question $5$

You have been tasked with analyzing a log file containing system logs$.$ Your objective is to extract specific fields from each log entry and count the occurrences of unique entries.

Which combination of commands would you use to accomplish this task?

give answer in the options

a$)$ awk, cut, uniq

b$)$diff$,$ join, wc$.$

c$)$sort$,$ spell, expand

d$)$emacs$,$ tr$,$ sed