What did Ann seem to give first priority to in buying her dress?
A. Price and style.
B. Color and price.
C. Style and quality.
D. Quality and material.
查看答案
What can we learn from the conversation?
A. Mark thought red suited Ann but blue didn't.
B. Ann didn't like the white dress though it was on sale.
C. Both Mark and Ann were satisfied with the blue dress.
D. Both Mark and Ann preferred the fashionable red dress.
创建用户ID是1008，组ID是1006，用户家目录为/home/user01的正确命令是
A. useradd -u:1008 -g:1006 -h:/home/user01 user01
B. useradd -u=1008 -g=1006 -d=/home/user01 user01
C. useradd -u 1008 -g 1006 -d /home/user01 user01
D. useradd -u 1008 -g 1006 -h /home/user01 user01
若为系统添加了名为koka的用户，则在默认情况下该用户所属的组是
A. user
B. group
C. koka
D. root
Linux系统中的用户可以分为三类：、系统用户和普通用户。
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