单选题Which of the following commands will display the current technology level of a server（）A instfix -rB oslevel -rC lslpp -LD oslevel -i grep ML
题目
单选题
Which of the following commands will display the current technology level of a server（）
A
instfix -r
B
oslevel -r
C
lslpp -L
D
oslevel -i grep ML