Where is the Temp folder in OS X?

Solution 1:

You can use: echo $TMPDIR.

To open and browse the folder, use open $TMPDIR.

Sources:

  • How do I find out the system temporary directory?
  • OSX: API for retrieving path to user's ~/temp folder

Solution 2:

/tmp is also a temporary directory. Files are deleted from /tmp upon reboot.
To access it from Finder, use Command-G (Shift-Command-G in Mavericks) and enter /tmp in the dialogue box. From a terminal, just cd /tmp.