[titch@quackers Slack]# mkdir 14.2 current
[titch@quackers Slack]# mount -o loop slackware64-14.2/usb-and-pxe-installers/usbboot.img 14.2/
[titch@quackers Slack]# mount -o loop slackware64-current/usb-and-pxe-installers/usbboot.img current/
[titch@quackers Slack]# ls -l 14.2/
total 46152
drwxr-xr-x 3 root root     2048 Mar 11  2013 EFI
-rwxr-xr-x 1 root root      574 Jun 24  2016 f2.txt
-rwxr-xr-x 1 root root  7630144 Jun 24  2016 huge.s
-rwxr-xr-x 1 root root 39424516 Jun 24  2016 initrd.img
-r-xr-xr-x 1 root root    37888 Jun 24  2016 ldlinux.sys
-rwxr-xr-x 1 root root   150024 Jun 24  2016 memtest
-rwxr-xr-x 1 root root      682 Jun 24  2016 message.txt
-rwxr-xr-x 1 root root     3029 Jun 24  2016 setpkg
-rwxr-xr-x 1 root root      510 Jun 24  2016 syslinux.cfg
[titch@quackers Slack]# ls -l current/
total 67434
-rwxr-xr-x 1 root root      942 Jul 28 13:49 f2.txt
-rwxr-xr-x 1 root root  7210240 Jul 28 13:49 huge.s
-rwxr-xr-x 1 root root  7559792 Jul 28 13:49 hugesmp.s
-rwxr-xr-x 1 root root 54078772 Jul 28 13:49 initrd.img
-r-xr-xr-x 1 root root    37888 Jul 28 13:49 ldlinux.sys
-rwxr-xr-x 1 root root   150024 Jul 28 13:49 memtest
-rwxr-xr-x 1 root root      872 Jul 28 13:49 message.txt
-rwxr-xr-x 1 root root     3029 Jul 28 13:49 setpkg
-rwxr-xr-x 1 root root      786 Jul 28 13:49 syslinux.cfg
[titch@quackers Slack]#