试图执行这个shell脚本。# Proper header for a Bash script.
# Insert code here to print error message and exit if not root.
# Variables are better than hard-coded values.cat /dev/null >
笔记本电脑:MSI GE60-2PE 640XPL产出:Bus 002 Device 008: ID 1770:ff00 Bus 001 Device 005: ID 8087:07dc IntelBus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004