DIR
n. countable B2 Upper Intermediate dir
n. Stands for directory. A folder on a computer where you store files and other folders.
n. Abbreviation for directory. A container within a file system that holds references to other files and subdirectories.
Save the photo in the project dir.
The system administrator moved all user data into a shared dir on the server.
In Unix-like systems, the root dir serves as the top-level container from which all other paths branch.