file:Linux虚拟机安装手册.docx file:Baohua_Linux.part2.rar file:Operating Systems_Three Easy Pieces_0.9.pdf file:Linux Programer's toolbox.pdf file:Linux Performance and Tuning Guidelines.pdf file:VMware_player_7.0.0_2305329.1420626349.exe file:VirtualBox-5.2.18-124319-Win.exe file:Oracle_VM_VirtualBox_Extension_Pack-5.2.18.vbox-extpack