Sublime Text Handbook/ConceptIndex/AppOpenFileLoc

Overview
Open any arbitrary file location in the editor, using either the File menu or using a specified path within an edit buffer.

Open with external process

 * Using an external application or shell script, open the editor itself
 * Support for opening arbitrary file types as arguments to the editor itself

Open Actions

 * Using the editor, open arbitrary file types
 * Open image files
 * Open any arbitrary file type, using the default application for that file type
 * Open an HTML file in the editor itself
 * Open an HTML file in the default system browser

Vim

 * gf	 open in the same window ("goto file")
 * f	 open in a new window (Ctrl-w f)
 * gf	 open in a new tab (Ctrl-w gf)