How to open LibreOffice Impress from Terminal?

Solution 1:

You haven't said what release, but loffice opens it on my 19.04 box.

options of loffice include

File open arguments:

The arguments create an empty document of specified kind. Only one of them may be used in one command line. If filenames are specified after an argument, then it tries to open those files in the specified component.

   --writer            Creates an empty Writer document.
   --calc              Creates an empty Calc document.
   --draw              Creates an empty Draw document.
   --impress           Creates an empty Impress document.
   --base              Creates a new database.
   --global            Creates an empty Writer master (global) document.
   --math              Creates an empty Math document (formula).
   --web               Creates an empty HTML document.

from man loffice

Solution 2:

The simpliest method is to run LibreOffice Impress with

loimpress

command as it is installed with libreoffice-impress package.

Also note other commands:

• LibreOffice Calc localc
• LibreOffice from template lofromtemplate
• LibreOffice Writer loweb
• LibreOffice Math lomath
• LibreOffice Draw lodraw
• LibreOffice Base lobase
• LibreOffice Writer lowriter
• LibreOffice loffice