资 源 简 介
多用户 :usr1, …, usr8 (1-8个用户)
多级目录:可有多级子目录;
具有login (用户登录)
系统初始化(建文件卷、提供登录模块)
文件的创建: create
文件的打开:open
文件的读:read
文件的写:write
-Multi-user: usr1, ..., usr8 (1-8 users) multi-level directory: can have the subdirectory level have a login (user login) system initialization (construction paper roll, providing login module) file creation: create Open file: open the document read: read a file write: write