\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
 PNG

\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
z /sys/devices/system/cpu/online - - -
Z /sys/class/net - - -
z /sys/kernel/uevent_helper - - -
w /sys/fs/selinux/checkreqprot - - - - 0