15 21 0:3 / /proc rw,relatime - proc proc rw
16 21 0:0 / /sys rw,relatime - sysfs sysfs rw
17 21 0:5 / /dev rw,relatime - devtmpfs devtmpfs rw,size=8155452k,nr_inodes=2038863,mode=755
18 17 0:11 / /dev/pts rw,relatime - devpts devpts rw,gid=5,mode=620,ptmxmode=000
19 17 0:15 / /dev/shm rw,relatime - tmpfs tmpfs rw,size=8165964k,nr_inodes=2041491
21 1 8:3 / / rw,relatime - ext4 /dev/sda3 rw,barrier=1,data=ordered,usrquota,grpquota
22 15 0:17 / /proc/bus/usb rw,relatime - usbfs /proc/bus/usb rw
23 21 8:1 / /boot rw,relatime - ext4 /dev/sda1 rw,barrier=1,data=ordered
24 21 8:17 / /backup rw,relatime - ext4 /dev/sdb1 rw,barrier=1,data=ordered
25 15 0:18 / /proc/sys/fs/binfmt_misc rw,relatime - binfmt_misc none rw