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计算机考试 | IBM认证考试

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章节目录

单选题 Which of the following commands can be used to show all disks configured on the system?()

A

lsdev -C disk

B

lsdev -P disk

C

lsdev -Cc disk

D

lsdev -Pc disk

单选题 Which of the following commands can an operator use to view disk performance details?()

A

topas -D

B

topas -R

C

topas -C

D

topas -d

单选题 What is the correct command to display the current working directory?()

A

echo $PWD

B

echo $pwd

C

echo $CWD

D

echo $cwd

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?()

A

chmod -R u+rw /application

B

chmod -r u+rw /application

C

chmod -R o+rw /application

D

chmod -r o+rw /application

单选题 What command can be used to make all mountable filesystems available for use?()

A

mount -a

B

automount all

C

varyonvg -m -a

D

run the /etc/filesystems script

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?()

A

myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err

B

myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err

C

myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err

D

myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err

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?()

A

Either the -a or flag -b may be used, but not both.

B

If the flag -a is used then the flag -b also must be used.

C

One of the -a or -b flags must be used, but not both at the same time.

D

Both the flags may be used together, but neither are mandatory.

单选题 Which of the following commands will display what space is used in /tmp filesystem?()

A

df -Ik /tmp

B

df -fk /tmp

C

df -Uk /tmp

D

df -Fk /tmp

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