TLDR
Enter a command. For example: rename, machine, appsleepd, xsltproc.

open

 
Opens files, directories and applications. More information: https://ss64.com/osx/open.html.
 
  • Open a file with the associated application:
     
    open {{file.ext}}
     
  • Run a graphical macOS application:
     
    open -a "{{Application}}"
     
  • Run a graphical macOS app based on the bundle identifier (refer to osascript for an easy way to get this):
     
    open -b {{com.domain.application}}
     
  • Open the current directory in Finder:
     
    open .
     
  • Reveal a file in Finder:
     
    open -R {{path/to/file}}
     
  • Open all the files of a given extension in the current directory with the associated application:
     
    open {{*.ext}}

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