Are you trying to get code from GitHub , or are you trying to write code that creates ZIP files ?
If you are trying to download source code (often written in ) from a repository, you are looking for the platform-wide "Download ZIP" button. Download c zip
The -c flag stands for "entry-comments." It allows you to add a one-line comment to each file as it is added to the archive. Are you trying to get code from GitHub
You might be looking for documentation on the -c flag used in the standard zip command-line utility. Download c zip