command_line.md

Learned some new commands

Tab

• To auto-fill!

Up arrrow

• Recent commands used... long history

echo

• prints

man

• looks up 'manual' for command line terminals, ie: 'man grep' will give the documentation for how to use grep on the terminal.
• man grep

apropos

• Look for a command that does what you want, or a similar comand.
• apropos search will return grep and other search-related commands.

ctrl + r

• backwards search for commands you've typed into terminal before; start typing the command and it will auto-fill with recent commands that match

less

• will let you open a page that you can scroll up/down, with quit ("q), without leaving the text printed out on your terminal.
• less cat week_one.md week_two.md

cat

• concatination
• will print out the text onto your terminal
• Type in several inputs and the text will be added.
• ie: cat week_one.md week_two.md
• This could be piped to then create a new folder, etc

grep

• search for text within a file

wc

• word count, line count, character count
• wc command_line.md at one point returned:
• 38 194 1066 command_line.md