The output from tree is too long. Turn on colours and read with less:

1tree -C | less -R

• j: scroll down
• k: scroll up
• g: go-to top
• G: go-to bottom
• q: quit

Search with less

• /<word> to search
• <Escape>u to undo search highlights

Make search case insensitive with less -i.

1less -i README.md

The man pages often use less. Make the man pages use less with case insensitive searching by using the $MANPAGER variable.

1MANPAGER='less -i'
2man column
3/exampl

Quick Commands

Execute a shell command inside less so you don't have to lose your place while reading column. Just press !, e.g. !ls.

Edit a File

While reading a file, press v to edit it ('v' stands for vi).