单项选择题

An operator needs to transfer several files in the same directory using ftp without being prompted. Which of the following ftp subcommands must be used?（）

A. int put *
B. int mput *
C. prompt put *
D. prompt mput *

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单项选择题

What is the default configuration file used by the sendmail command?（）

A. /etc/rc/rc.mail
B. /etc/mail.config
C. /etc/sendmail.config
D. /etc/mail/sendmail.cf

单项选择题

An operator is asked to verify the exact location of the default JRE binary. The following commands were run:
$ which java /usr/bin/java
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java -> ../jre1.5.0_06/bin/java
Based on the command outputs above, what is the path to the java executable file?（）

A. /usr/bin/java
B. /usr/jre1.5.0_06/bin/java
C. /usr/bin/jre1.5.0_06/bin/java
D. /usr/bin/java/jre1.5.0_06/bin/java

单项选择题

What command would an operator use to move a file from the /old_dir directory to the /new_dir directory without changing the file name?（）

A. mv /old_dir/file /new_dir
B. mv -p /old_dir/file /new_dir
C. mv -k /old_dir/file /new_dir
D. mv /old_dir/file /new_dir/new_file