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FileSystme
- 多用户多级目录的文件系统,(1)具有login (用户登录) (2)系统初始化(建文件卷、提供登录模块) (3)文件的创建: create (4)文件的打开:open (5)文件的读:read (6)文件的写:write (7)文件关闭:close (8)删除文件:delete (9)创建目录(建立子目录):mkdir (10)改变当前目录:cd (11)列出文件目录:dir (12)退出:logout -Multi-user multi-lev
matlab-r2012b-license-key123
- lear all A=wk1read( cigarette.wk1 ,1,0) W1=wk1read( Spat-Sym-US.wk1 ) Dataset downloaded from www.wiley.co.uk/baltagi/ Source: Baltagi and Levin (1992) and Baltagi, Griffin and Xiong (2000). Descr iption: Panel Data, 46 U.S. States