it is a excellent material.it is adapt for the beginning student.这是一个很好的关于unix_Linux的学习资料，非常适合初学者。-it is a excellent material.it is adapt for the beginning student.

、、： 请选择 Visual C++ Visual Basic DOS Unix_Linux C++ Builder Java Windows_Unix Delphi C-C++ PHP-PERL PHP Perl Python HTML Asm Pascal Borland C++ Others MultiPlatform C++ VFP SQL PDF TEXT WORD VBscr ipt Javascr ipt ASP CSharp CHM FlashMX matlab PowerBui