单项选择题
A user reports that they cannot cd to /tmp/application. A system administrator entered the following command:
(1)ls -ld /tmp/application
(2)drw-r--r-- 4 root system 512 Jan 15 14:09 application
What is the most likely cause of the problem?()
A.The /tmp/application should be globally writable.
B.The /tmp/application directory should be executable.
C.The /tmp/application directory should be owned by the user.
D.The /tmp/application directory should have the sticky bit set.
相关考题
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单项选择题
Given the following script, why does the output come out as an empty line instead of "dog"?()
A.The $VAR variable was not exported
B.The $VAR should have been set as VAR
C.dog needs double quotes around it when setting $VAR
D.The { } should not be around VAR in the echo command -
单项选择题
Review the following program. What is the possible problem?()
A.#!/bin/ksh line is missing
B.Variable name VAR is not properly initialized
C.Loop variable is not incremented inside the loop
D.Loop variable is not decremented inside the loop -
单项选择题
Asystemadministratorhasaserverthatisperformingpoorly.ThevmstatcommandidentifiesthathighCPUusageistheproblem.Whichofthefollowingcommandscanbeusedtoidentifytheeightmostactiveprocessesrunningontheserver?()
A.ps -ef -t8
B.sar -u -p 8
C.vmstat -t 8
D.topas -p8 -n0 -d0
