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一、题目要求：
二、具体步骤：
1. groupadd -g 2000 shengcan 2. groupadd -g 2001 caiwu 3. groupadd -g 2002 jishu 4. useradd -g shengcan -G jishu,caiwu -u 2000 lee id lee #查看lee用户的uid和gid是否一致 5. useradd -s /sbin/nologin linux 6. useradd -G caiwu westos groups westos 7. useradd tabadmin usermod -aG root tabadmin groups tabadmin 8. echo "tabadmin:westos" |chpasswd chage -M 30 lee chage -l tabadmin echo "linux:westos" |chpasswd echo "westos:westos" |chpasswd echo "lee:westos" |chpasswd chage -M 30 lee chage -M 30 linux chage -M 30 westos chage -l lee su lee 