单选题 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?()
chmod -R u+rw /application
chmod -r u+rw /application
chmod -R o+rw /application
chmod -r o+rw /application
单选题 An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?()
yy E 3p
3yy G p
3yy :e 5pp
yy :g 3p
单选题 An operator is asked to rewind and eject a tape from a system. Which command will accomplish this without touching the tape drive?()
tctl reset
tctl rewind
tctl return
tctl rewoffl
单选题 The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?()
Either the -a or flag -b may be used, but not both.
If the flag -a is used then the flag -b also must be used.
One of the -a or -b flags must be used, but not both at the same time.
Both the flags may be used together, but neither are mandatory.
单选题 What is the correct command to display the current working directory?()
echo $PWD
echo $pwd
echo $CWD
echo $cwd
单选题 Which command while in a vi session will change the currently selected word?()
ec
wc
ew
cw
单选题 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?()
mv /old_dir/file /new_dir
mv -p /old_dir/file /new_dir
mv -k /old_dir/file /new_dir
mv /old_dir/file /new_dir/new_file
单选题 An operator needs to run a script which will write standard output and standard error to different files. Which of the following commands will successfully perform this task?()
myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err
myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err
myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err
myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err
单选题 Which of the following commands will show the users that are logged on a system ?()
id
who
whois
lsuser
单选题 Which of the following AIX storage concepts is correct?()
A filesystem can span multiple physical volumes.
A physical volume can belong to more than 1 volume group.
A logical volume can have up to 2 copies in each of 2 volume groups.
The size of a filesystem is always the same size as its logical volume.
下列属于直线行驶的是()
某通信机房设置七氟丙烷预制灭火系统,该系统应有( )种启动方式。
唐后期书院产生的一个原因是受到()的影响。
压力损失是指()
干旱区造林,整地的主要目的是()
治癫证痰气郁结证,治以()
小学低、中年级的儿童____识记发展最为迅速。
( )是北京市制定的第一个全面保护历史文化名城的法规。
安全带的正确使用:使用前作外观检查,若破损应()使用。
Your network consists of a single Active Directory domain. The domain contains more than 300 group objects. The group objects are divided between several regional organizational units (OUs). You need to create a list of all groups that have names that begin with the word Sales. Which command should you use? ()