less and more (paginated viewing) in Linux CLI - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main purpose of the less command in Linux?

The less command lets you view text files one screen at a time. It allows you to scroll forward and backward through the file easily.

beginner

How does more differ from less in terms of navigation?

more only allows forward navigation through a file, while less lets you move both forward and backward.

beginner

Which key do you press to quit less or more?

Press the q key to quit and exit the less or more viewer.

intermediate

How can you search for a word inside a file when using less?

Type / followed by the word you want to find, then press Enter. Use n to go to the next match.

intermediate

What happens if you run cat filename | less?

It sends the output of cat filename into less, letting you view the file page by page instead of all at once.

Which command allows backward scrolling through a file?

A cat

B less

C more

D head

less supports both forward and backward scrolling, unlike more.

What key do you press to exit more or less?

A e

B x

C q

D Ctrl+C

Pressing q cleanly exits the pager.

How do you search for a word inside less?

A Type #word

B Type :search word

C Type ?word and press Enter

D Type /word and press Enter

Typing /word starts a forward search in less.

Which command only allows forward scrolling?

A more

B head

C tail

D less

more only supports forward scrolling.

What does cat file | less do?

A Sends file content to less for paginated viewing

B Displays the file all at once

C Edits the file

D Deletes the file

It pipes the file content into less for easy reading.

Explain how you would use less to view a long log file and search for a specific error message.

Think about opening, searching, navigating, and exiting.

Describe the differences between less and more commands and when you might prefer one over the other.

Focus on navigation and features.