Linux Operating System: A Complete Linux Guide for Beginners - Grep, Comparing Files

The video tutorial explains how to search for strings within files using the 'grab' command and how to compare files using the 'CMP' and 'COM' commands. It demonstrates searching for a specific word in a file and highlights the results. The tutorial also covers comparing files to identify differences, using examples to show how the commands work and what outputs they produce. The 'CMP' command is used to find line differences, while the 'COM' command lists common and unique elements between files.

Which command is used to search for a specific string within a file?

• search

• grep

• find

• locate

What does the 'CMP' command do when comparing two identical files?

• It lists all lines

• It shows the file sizes

• It returns nothing

• It highlights the differences

When using 'CMP', what information is provided if two files differ?

• The total number of differences

• The line number and content of differences

• The file sizes

• The file names

What is the purpose of the 'COM' command?

• To delete files

• To compare files and list common and unique elements

• To search for strings

• To copy files

How does the 'COM' command display the differences between two files?

• By highlighting in red

• In a single column

• In separate columns for common and unique elements

• By showing file sizes