An application owner wants to grant write permission to all users for all the files and directories in the application directory. Which of the following is the correct command?（）

单项选择题The operator needs to change the test filesystem in the testvg volume group so that it mounts automatically following a system reboot. Which of the following commands is correct?（）

A. chvg -a y testvg
B. chfs -A yes /test
C. mount /test -auto=yes
D. chlv -a automount=y testlv

单项选择题The operator needs to execute a long-running shell script. How can the script be executed so the operator does not have to wait until it is complete to access the command prompt?（）

A. ./script.ksh
B. nohup ./script.ksh
C. run -b ./script.ksh
D. ./script.ksh > nohup.out

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 *

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