A quick list of OSX Terminal commands. For an A-Z index of the Apple OS X command line, I go to http://ss64.com/osx/

Command Line Commands

" cd " - Current Directory 

" cd - " - Takes you to the last directory you were in 

" . " Current Directory 

".." Previous Directory 

"~" Home Directory (But don't do it!)

" ~/ " Direct path to a directory 

"less" - Displays a file (page by page)

"cat" - Displays a file (in full)

"open" - Opens files (including directories) in finder

"mate " Opens files in TextMate

Space - Scrolls (page-by-page) 

" less " - Views files within your terminal 

(Inside less) Ctrl+U/D - Scroll Up/Down 

(Inside less) q - exits whichever file you're viewing 

ls (list current directory) - Displays files inside of a directory 

pwd (print working directory) - Tells you what directory you're currently in. 



" man (Manual) + any command " - Gives directions for that command. 

" say + (any word) - Computer speaks 

" apropos + (keyword) " - Suggests commands (based on keyword)

" whatis + (command) " - Explains the command in question. 



" touch + (filename) " - creates that file (empty). 
 
"  cp + (something) + (someplace) "

" mv + (something) + (someplace) " - Move

" rm " - Removes completely. Bypass the system's trashcan (DO NOT USE).



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INSIDE RAILS

"rake" - Task command

" rake -T " - Gives a list of all tasks in project (with description)

" rake routes " - List of URLs in a web browser (related to the project)


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TAB - As you type, pressing tab will try to complete the line (if there are multiple options, hit TAB twice to show the list of possible options). Also works with commands. (*Case-sensitive). 

UP/DOWN ARROWS - Cycles through your typing history. 

CTRL+R - Searches through your typing history. 

CTRL+A - Jumps to beginning of a line. 

Ctrl+C - Quit command/program. 

CTRL+E - Jumps to the end of a line. 

CTRL+K (Kill) - Clears a line. 

\ (Backslash) - Tells computer to ignore the special character after it (interpret the next character literally, instead of as a special character).