Terminal / Shell Shortcuts

basic_commands

pwd (personal working directory)
cd (change directory)
mkdir (make directory)
⌘k (clear screen)
clear (clear screen)
ls (list directory)
touch (set times or create files)
rm (remove)

all osx commands: http://ss64.com/osx/

htaccess

htpasswd -nb username password

quicktips

Tab: command completion
Up/Down Arrows: scroll through command history
Ctrl+Left and Ctrl+Right: jump forward and back through command arguments
Home and End (Ctrl+A and Ctrl+E): jump to beginning or end of command. 
Ctrl+U: clears the entire line
Ctrl+K: clears from cursor to the end of the line
Ctrl+W: deletes the word before the cursor only
Ctrl+R: search your command history for something specific
!!: same as last comamnd (sudo !!)
$!: different command same arguments (mkdir /new/awesome/folder and cd $!)
history: history of run commands
history | grep XXXX: search history for command XXXX
!455: run command 455 from history of commands

sudo chown -R $(whoami) /usr/local  (own a directory and subs)

Open Finder from Terminal
Current Directory:	open ./
User Directory:		  open ~
Any Directory:			open /System/Library

Open Terminal from Finder
Go2Shell		http://zipzapmac.com/Go2Shell

remove_mac_specific_hidden_files

find . -iname '._*' -exec rm -rf {} \;

find . -iname '.DS_Store' -exec rm -rf {} \;
-or-
find . -name '*.DS_Store' -type f -delete