单选题Which of the following commands will display what space is used in /tmp filesystem?（）Adf -Ik /tmpBdf -fk /tmpCdf -Uk /tmpDdf -Fk /tmp
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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