how to zip folder in ubuntu command line code example

Example 1: ubuntu zip folder

zip -r filename.zip folder
zip -r filename.zip folder1 folder2
zip -r filename.zip /path/to/folder1 /path/to/file2

Example 2: zip entire directory ubuntu

zip -r compressed_filename.zip foldername

Example 3: zip full folder ubuntu

zip -r example.zip original_folder