单选题Which of the following commands should be used to check whether a system dump is valid and readable?（）Akdb Bsnap -d Cdbx -vmcore Dod /dev/sysdumpdev
题目
单选题
Which of the following commands should be used to check whether a system dump is valid and readable?（）
A
kdb
B
snap -d
C
dbx -vmcore
D
od /dev/sysdumpdev