U User name of owner 所有者的用户名
interactive U user 交互性用户
crontab -e -u user 指定用户
crontab -l -u user 查看指定用户
U-User 用户
U User ownership differs 用户属主关系改变 ; 属主
u user-oriented 面向用户
Substitute your own values for user ID (u@abc.com), password (secret), and passphrase (unlock).
用您自己设定的值替代用户 ID(u@abc.com)、密码(secret)和口令(unlock)。
If your server has more security set up, you may need to pass the name of the user or the domain with the -w and -u parameters, respectively.
如果您的服务器有更多的安全设置,您可能需要分别使用- W和- U参数传递用户名或域。
The pgrep command provides options to filter processes by user name (the -u shown), process group, group, and more.
pgrep 命令提供筛选选项,允许按用户名(上面给出的 -u)、进程组、组等筛选进程。
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