[Galaxy S II Android Development] electricsheepdreamer:
Could be, I wouldn't know that.

But I've just checked and it's definitely there. I don't have a screenshot of TWRP but here's the one of the backup directory made by it and a part of recovery log file.

Starting TWRP 2.4.2.0 on Thu Apr 25 18:23:12 2013

I:Single storage only.

I:No internal storage defined.

I:No storage defined, defaulting to /sdcard.

SP1_NAME := preload

TW_NO_REBOOT_BOOTLOADER := true

I:Lun file '/sys/class/android_usb/android0/f_mass_storage/lun0/file'

Starting the UI...Pixel format: 480x800 @ 32bpp

Pixel format: BGR_565

framebuffer: fd 4 (480 x 800)

=> Linking mtab

=> Processing recovery.fstab

I:Processing '/boot'

I:Processing '/recovery'

I:Processing '/efs'

I:Processing '/cache'

I:Recreating /cache/recovery folder.

I:Processing '/system'

I:Processing '/data'

I:Processing '/preload'

I:Processing '/modem'

I:Processing '/emmc'

I:Created '/and-sec' folder.

I:Creating .android_secure: /emmc/.android_secure

mount: mounting /emmc/.android_secure on /and-sec failed: No such file or directory

I:Recreating android secure folder.

E:Mount: Unable to find partition for path '/and-sec'

E:UnMount: Unable to find partition for path '/and-sec'

I:Processing '/sdcard'

I:Creating .android_secure: /sdcard/.android_secure

I:cmd: /sbin/exfat-fuse -o big_writes,max_read=131072,max_write=131072 /dev/block/mmcblk1p1 /sdcard

WARN: volume was not unmounted cleanly.

Updating partition details...

I:Unmounting main partitions...

Partition Logs:

/boot | /dev/block/mmcblk0p5 | Size: 8MB

Flags: IsPresent

Primary_Block_Device: /dev/block/mmcblk0p5

Display_Name: boot

Backup_Path: /boot

Backup_Name: boot

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/recovery | /dev/block/mmcblk0p6 | Size: 8MB

Flags: IsPresent

Primary_Block_Device: /dev/block/mmcblk0p6

Display_Name: recovery

Backup_Path: /recovery

Backup_Name: recovery

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/efs | /dev/block/mmcblk0p1 | Size: 19MB Used: 6MB Free: 13MB Backup Size: 6MB

Flags: Can_Be_Wiped IsPresent

Primary_Block_Device: /dev/block/mmcblk0p1

Display_Name: efs

Backup_Path: /efs

Backup_Name: efs

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/cache | /dev/block/mmcblk0p7 | Size: 98MB Used: 4MB Free: 94MB Backup Size: 4MB

Flags: Can_Be_Wiped Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk0p7

Display_Name: Cache

Backup_Path: /cache

Backup_Name: cache

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/system | /dev/block/mmcblk0p9 | Size: 503MB Used: 466MB Free: 37MB Backup Size: 466MB

Flags: Can_Be_Wiped Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk0p9

Display_Name: System

Backup_Path: /system

Backup_Name: system

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/data | /dev/block/mmcblk0p10 | Size: 2015MB Used: 520MB Free: 1495MB Backup Size: 520MB

Flags: Can_Be_Wiped Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk0p10

Display_Name: Data

Backup_Path: /data

Backup_Name: data

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/preload | /dev/block/mmcblk0p12 | Size: 503MB Used: 249MB Free: 254MB Backup Size: 249MB

Flags: Can_Be_Wiped IsPresent

Primary_Block_Device: /dev/block/mmcblk0p12

Display_Name: preload

Backup_Path: /preload

Backup_Name: preload

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/modem | /dev/block/mmcblk0p8 | Size: 16MB

Flags: IsPresent

Primary_Block_Device: /dev/block/mmcblk0p8

Display_Name: modem

Backup_Path: /modem

Backup_Name: modem

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/emmc | /dev/block/mmcblk0p11 | Size: 11780MB Used: 9545MB Free: 2234MB Backup Size: 0MB

Flags: Can_Be_Wiped IsPresent Has_Android_Secure Is_Storage

Symlink_Path: /emmc/.android_secure

Symlink_Mount_Point: /and-sec

Primary_Block_Device: /dev/block/mmcblk0p11

Display_Name: emmc

Backup_Path: /and-sec

Backup_Name: and-sec

Storage_Path: /emmc

Current_File_System: vfat

Fstab_File_System: vfat

Backup_Method: files

/sdcard | /dev/block/mmcblk1p1 | Size: 59964MB Used: 15602MB Free: 44362MB Backup Size: 0MB

Flags: Can_Be_Wiped Removable IsPresent Has_Android_Secure Is_Storage

Symlink_Path: /sdcard/.android_secure

Symlink_Mount_Point: /and-sec

Primary_Block_Device: /dev/block/mmcblk1p1

Display_Name: sdcard

Backup_Path: /and-sec

Backup_Name: and-sec

Storage_Path: /sdcard

Current_File_System: exfat

Fstab_File_System: vfat

Backup_Method: files

Regards.