> For the complete documentation index, see [llms.txt](https://docs.fiinpro.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fiinpro.com/huong-dan-chung/dang-nhap/cac-tinh-nang-chung.md).

# Các tính năng chung

Các tính năng chung, bổ trợ cho toàn hệ thống