# open

> Opens files, directories and applications

- Open a file with the associated application

`open {{file.ext}}`

- Run a graphical MacOSX application

`open /Applications/{{Application.app}}`

- Open the current directory in Finder

`open .`

- Reveal a file in finder

`open -R /path/dir/{{file}}`

- Open all the files of a given extension in the current directory with the associated application

`open {{*.ext}}`