root@ubuntu-17:/proc/asound# pwd /proc/asound root@ubuntu-17:/proc/asound# ls -ltr 合計 0 lrwxrwxrwx 1 root root 5 2010-05-30 17:54 Audigy -> card1 r--r--r-- 1 root root 0 2010-05-30 17:54 version r--r--r-- 1 root root 0 2010-05-30 17:54 t…