less filename

• will allow you to open a file in a full-screen mode
• up and down arrow key scrolls up and down
• D or space bar will also scroll down one page at the time
• U will scroll up one page at the time
• > will take you the last line of the file
• < will take you to the very first line of the file
• you can go to a particular line by typing the line number and hitting enter
• you can search the content by typing the content
• e.g tree to search for tree
• n will go to the next search result
• N will go to the previous search result
• search is case sensitive and it will accept regular expressions