部分内容如下:su test 更改用户 su - 进入root,且使用root的环境变量sudo 以其它身份来执行指令visudo 编辑/etc/sudoers 加入一行『 test ALL=(ALL) ALL 』%wheel ALL = (ALL) ALL 系统里所有wheel群组的用户都可用sudo%wheel ALL = (ALL) NOPASSWD: ALL wheel群组所有用户都不用密码NOPASSWDUser_Alias ADMPW = vbird, dmtsai, vbird1
A Practical Guide to Ubuntu Linux Ubuntu Linux 实战手册 183 7 The Shell 219 PART III Digging into Ubuntu Linux 249 8 Linux GUIs: X and GNOME 251 9 The Bourne Again Shell 275 10 Networking and the Internet 353 11 Programming the Bourne Again Shell 395 x