Step 1 State your major _________ from the data.Step 2 Explain the meaning and _________ of your findings.Step 3 __________ the findings to those of similar studies.Step 4 Present possible __________ explanations.
查看答案
cd命令可以改变用户的当前目录,当用户输入命令“cd”并按Enter键后,()
A. 当前目录改为根目录
B. 当前目录不变,屏幕显示当前目录
C. 当前目录改为用户家目录
D. 当前目录改为上一级目录
echo -en '\a'的输出为()
A. 响铃
B. \a
C. '\a'
D. a
Linux系统中,超级用户的主目录是()
A. /
B. /root
C. /home
D. /home/root
要删除目录/home/user1/subdir连同其下级目录和文件,不需要交互确认,正确的命令是()
A. rm -rf /home/user1/subdir
B. rm -df /home/user1/subdir
C. rmdir -pf /home/user1/subdir
D. rmdir -P /home/user1/subdir