1, create user Gentoo, additional group is bin and root, the default shell is/BIN/CSH, the annotated message is "Gentoo distribution"
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2. Create the following user, group, and group memberships
Group with the name Admins
User Natasha, using admins as a subordinate group
User Harry, also use admins as a subordinate group
User Sarah, cannot log on to the system interactively, and is not a member of admins,
Natasha,harry,sarah passwords are centos650) this.width=650; "Src=" http://s2.51cto.com/wyfs02/M00/85/47/ Wkiom1efbcfznodraaakjv_yoky741.png "style=" Float:none; "title=" Qq20160801145403.png "alt=" wKiom1efBCfznoDRAAAKJV_ Yoky741.png "/>
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Linux Exercises and Answers (3)