okular

View documents. More information: https://docs.kde.org/stable5/en/okular/okular/command-line-options.html.

• Launch document viewer:
  okular
• Open specific documents:
  okular {{path/to/file1 path/to/file2 ...}}
• Open a document at a specific page:
  okular --page {{page_number}} {{path/to/file}}
• Open a specific document in presentation mode:
  okular --presentation {{path/to/file}}
• Open a specific document and start a print dialog:
  okular --print {{path/to/file}}
• Open a document and search for a specific string:
  okular --find {{search_string}} {{path/to/file}}