# godoc > View documentation for go packages. > More information: . - Display help for a specific package: `godoc {{fmt}}` - Display help for the function "Printf" of "fmt" package: `godoc {{fmt}} {{Printf}}` - Serve documentation as a web server on port 6060: `godoc -http=:{{6060}}` - Create an index file: `godoc -write_index -index_files={{path/to/file}}` - Use the given index file to search the docs: `godoc -http=:{{6060}} -index -index_files={{path/to/file}}`