chmod 557 /bin/foo
chmod o+rwx.a+rx/bin/foo
chown 557 /bin/foo
chmod 755/bin/foo
第1题：
A. cd /var/spool
B. lcd /var/spool
C. cd /usr/bin /var/spool
D. lcd /usr/bin /var/spool
第2题：
Which action changes the default editor for ALL users on the system from vi to edit of the following？（）
第3题：
A.chmod557/bin/foo
B.chmodo+rwx.a+rx/bin/foo
C.chown557/bin/foo
D.chmod755/bin/foo
第4题：
A system administrator has just finished upgrading a system to AIX 5.2. If there are future problems， the system administrator would like to add an entry to the AIX errorlog to record this event. Which of the following commands can be issued for this purpose？（）
第5题：
Which of the following commands makes /bin/foo executable by everyone but writable only by its owner？（）
第6题：
An operator needs to change from the /usr/bin to the /var/spool directory. Which of the following commands will accomplish this?（）
第7题：
执行#chmod 700/bin/rpm是为了（）。
第8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/javalrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java -> ../jre1.5.0_06/bin/javaBased 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
第9题：
A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands should be used to start logging system errors？（）
第10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?（）