Mount
rootfs on / type rootfs (rw)
/dev/root on / type squashfs (ro)
dev on /dev type tmpfs (rw,nosuid)
proc on /proc type proc (rw,nodiratime,nosuid,nodev,noexec)
ramfs on /var type ramfs (rw)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec)
usbfs on /proc/bus/usb type usbfs (rw)
PS
PID...