whoami 命令和 who am i 命令是不同的 2 个命令，前者用来打印当前执行操作的用户名，后者则用来打印登陆当前 Linux 系统的用户名。
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1.8.16 Linux whoami和who am i命令详解
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- 2026-09-18
- Linux
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1.8.15 Linux临时切换用户身份（su命令）
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1.8.14 Linux查看用户的UID和GID（id命令）
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1.8.13 Linux删除系统用户（userdel命令）
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1.8.12 Linux强制系统用户登陆时修改密码（chage命令）
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1.8.11 Linux修改系统用户信息（usermod命令）
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1.8.10 Linux修改系统用户密码（passwd命令）详解
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1.8.9 Linux系统添加新用户（useradd命令）详解
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- 2026-09-18
- Linux
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1.8.8 Linux /etc/login.defs创建用户的默认设置文件
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1.8.7 Linux初始组和附加组
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