

                               Disk Backup Utility


                                    (DISKBACK)



                                   USERS MANUAL





                                   Version 1.1

                                   June 18, 1997




                        This software is provided as-is.
                 There are no warranties, expressed or implied.




                              Copyright (C) 1997
                              All rights reserved



                              MarshallSoft Computing, Inc.
                              Post Office Box 4543
                              Huntsville AL 35815

                              Voice 205-881-4630
                              FAX   205|880|0925
                              BBS   205-880-9748


                                         _______
                                    ____|__     |                (R)
                                 --+       |    +-------------------
                                   |   ____|__  |  Association of
                                   |  |       |_|  Shareware
                                   |__|   o   |    Professionals
                                 --+--+   |   +---------------------
                                      |___|___|    MEMBER









     DISKBACK Users Manual                                     Page 1
                                  T A B L E   O F

                                  C O N T E N T S





      Chapter                                                     Page


      1.0 Introduction...............................................3

          1.1 Shareware Version Installation.........................4

          1.2 Registered Version Installation........................4

      2.0 Using DISKBACK.............................................5

          2.1 Backing up Files.......................................5

          2.2 Restoring Files........................................6

      3.0 Shareware Version..........................................7

      4.0 Registered Version.........................................7

      5.0 User Support...............................................8

      6.0 ASP Ombudsman..............................................8

      7.0 Registration...............................................9

      8.0 Revision History...........................................9

      9.0 License...................................................10

      10.0 Warranty.................................................10





















     DISKBACK Users Manual                                     Page 2
      1.0 Introduction

      DISKBACK is an utility program that compresses a specified subset
      of files from a directory (recursively) from one drive to a backup
      drive.  Directories on the backup drive are created if they do not
      exist. PKZIP or a similar program can be used to perform the
      compression.

      The primary use of DISKBACK is to provide a fast and convenient
      method of backing up selected files to a second hard drive,
      although floppies may also be used.

      There are significant advantages for using DISKBACK over other
      methods of hard-disk backup, as follows:

      1. Much faster than tape. The speed difference is amazing.

      2. Easier to retrieve files than from tape since your directory
         structure is preserved on the backup drive.

      3. Easy to specify which files to include or exclude using
         wildcards by editing the DISKBACK.CMD file.

      4. Allows the use of programs such as PKZIP for compression.

      If you have a removable cartridge hard drive such as those made by
      SyQuest (r) and Iomega (r), you have the best of all possible
      worlds. Use DISKBACK to back up the contents of your hard drive
      onto the cartridge drive. Then remove your cartridge from its
      drive and put it in a safe place!

      If you have a second hard drive, backup just the same as with a
      cartridge drive. If your primary hard drive crashes, you have the
      backup drive to recover from.

      If you have a second hard drive partition, backup to the second
      partition.  You will then have a compressed copy of your files on
      your drive, which increases your chances of recovery if the hard
      drive crashes. However, it is best to backup to an independent
      media.

      If you have a 2.88 MB floppy you can compress about 6MB of files
      onto your 2.88 MB floppy. Set your compression criterion (in the
      DISKBACK.CMD file) to compress only critical files such as source
      code, database files, spreadsheet files, etc.

      If you have a 1.44 MB floppy, you can still backup about 3MB of
      critical files. If you are backing up just source code, 3MB is a
      lot of source code!

      Note that you can run DISKBACK several times, saving a different
      set of files each time by changing the command string in
      DISKBACK.CMD. Therefore, useful backups can be created even using
      small capacity floppy disks.





     DISKBACK Users Manual                                     Page 3
      1.1 Shareware Version Installation

      The first step is to create a DISKBACK directory, and unzip
      DISKBK11.ZIP into it. For example, suppose you have downloaded
      DISKBK11.ZIP into C:\TEMP. Then, type

           C:
           CD \
           MKDIR   DISKBACK
           CD      \TEMP
           PKUNZIP DISKBK11.ZIP \DISKBACK

      This will unzip the executable DISKBACK.EXE and the documentation
      file DISKBACK.TXT into C:\DISKBACK.

      You may also want to copy DISKBACK.EXE to your \DOS or
      \WINOWS\COMMAND directory.

      You must register DISKBACK if you want to use it after the 30 day
      trial period.

      1.2 Registered Version Installation

      The shareware version becomes a registered version when the
      DISKBACK.KEY file is read by DISKBACK.EXE.

      Registered users should begin as directed in the previous section
      "Shareware Version Installation". In addition to DISKBK11.ZIP, the
      file DISKBACK.KEY should be copied to C:\DISKBACK.

      Add the line

           SET DISKBACK=C:\DISKBACK

      to AUTOEXEC.BAT so that DISKBACK.EXE can find DISKBACK.KEY and
      DISKBACK.CMD (which you can optionally create) at runtime.

      Lastly, you should copy all of the files in C:\DISKBACK to a
      floppy disk for use in an emergency.




















     DISKBACK Users Manual                                     Page 4
      2.0 Using DISKBACK

      DISKBACK is run in DOS (or the DOS command line in Windows), and
      can be used to back up files, and also to restore files.


      2.1 Backing up Files

      The best way to understand how DISKBACK works is to look at an
      example of how it is used:

      As our example, suppose that your drive C: has the following
      files:

         AUTOEXEC.BAT
         COMMAND.COM
         CONFIG.SYS
         DOS\
           ANSI.SYS
           CHKDSK.EXE
           DOSKEY.COM
           FORMAT.EXE
           RAMDRIVE.SYS
           XCOPY.EXE
           UTILS\
             PWD.COM
             WHEREIS.COM
         ANSI.SYS

      Assuming further that the root of drive C is the logged current
      drive and path, and that drive D: is the target drive to which the
      backup will be made. The following command

         DISKBACK D:\BACKUP

      will create (if necessary) the following directory structure on
      drive D:

         BACKUP\
           FILES.ZIP
           DOS\
             FILES.ZIP
             UTILS\
               FILES.ZIP















     DISKBACK Users Manual                                     Page 5
      2.1 Backing up Files (continued)

      The default backup command is:

         pkzip ?:files.zip *.*

      where the '?' is replaced by the drive letter, 'C' is our example.

      Thus, all files are compressed and copied to the backup drive.

      The registered version allows the user to specify the backup
      command in DISKBACK.CMD. Then, we could use something like:

         pkzip ?:files.zip *.* -x*.obj -x*.exe -x*.bak -x*.tmp -x*.map

      The above command will compress all files except those ending with
      the above specified extensions.

      You may also put the DISKBACK commands in a batch file. To skip
      the "Type any key to continue..." prompt, prefix with "ECHO | ".

         ECHO | DISKBACK D:\BACKUP

      2.2 Restoring Files

      Since the backup disk will have a directory structure identical to
      the source disk, files can be restored by running PKUNZIP from the
      command line.

      The command file DISKBACK.CMD can also be used to restore files.
      For example, to restore the files created by DISKBACK in the
      previous example, DISKBACK.CMD should contain

           pkunzip files.zip ?:

      as the first (and only) line. Then log onto the backup drive and
      directory

           D:
           CD \BACKUP

      Copy DISKBACK.KEY and DISKBACK.CMD to D:\BACKUP unless they can be
      found by DISKBACK.EXE using the DISKBACK environment variable
      DISKBACK. To restore, type

           DISKBACK C:\

      Recall that only the registered version of DISKBACK can read and
      use DISKBACK.CMD.










     DISKBACK Users Manual                                     Page 6
      3.0 Shareware Version

      The shareware version operates identically to the registered
      version with the exception of:

      (1) The shareware screen is displayed in the shareware version.

      (2) The command string in the DISKBACK.CMD file is not used in the
      shareware version.  The default command string

           pkzip ?:files.zip *.*

      is used instead.


      4.0 Registered Version

      DISKBACK may be converted from the shareware version to the
      registered version by use of the authorization file DISKBACK.KEY
      which contains the registered users name and customer ID.  This
      file can be used once it is put into the current directory or at a
      position to which the DISKBACK environment variable points.  Note
      that the actual diskback command is put into the DISKBACK.CMD
      file.

      The DISKBACK.KEY file contains a single ASCII line such as:

               29A67B91D1663D8389A18941CAE48C91A18EF4

      This keyfile can be posted on our customer support BBS or can be
      emailed via the Internet for immediate download once the program
      is registered.  Optionally, the latest version plus a copy of the
      DISKBACK.KEY file can also be mailed by US post.


























     DISKBACK Users Manual                                     Page 7
      5.0 User Support

      We provide customer support for registered customers by voice,
      BBS, the internet, and mail.  We do not provide support for
      unregistered users.

      If you are having a problem using DISKBACK, call us at
      205-881-4630 between 1:30 PM and 9:30 PM (CST) Monday through
      Friday. You can also call at other times and leave a message, and
      call back later for a reply.

      You may also call our User Support BBS (2400 to 14400 baud, no
      parity, 8 data bits, 1 stop bit) at 205-880-9748 and leave a
      message (address it to the SYSOP).  We will usually have a reply
      ready for you within 24 hours.

      The BBS is available 24 hours per day. All files are in standard
      ZIP format. Select library 6 "UTILITIES".

      If you have access to the Internet, you can contact us through our
      email address:

          help@marshallsoft.com

      Also note than the latest releases of all of our shareware can be
      found on our BBS as well as the Anonymous FTP site:

          SITE:  ftp.marshallsoft.com     PATH:  /marshallsoft/other


      6.0 ASP Ombudsman

      MarshallSoft Computing, Inc.  is a member of the Association of
      Shareware Professionals (ASP).  ASP wants to make sure that the
      shareware principle works for you.  If you are unable to resolve a
      shareware-related problem with an ASP member by contacting the
      member directly, ASP may be able to help. The ASP Ombudsman can
      help you resolve a dispute or problem with an ASP member, but does
      not provide technical support for members' products. Please write
      to the ASP Ombudsman at 545 Grover Road, Muskegon, MI USA
      49442-9427, Fax 616-788-2765, or send a CompuServe message via
      CompuServe Mail to ASP Ombudsman 70007,3536.

















     DISKBACK Users Manual                                     Page 8
      7.0 Registration


      DISKBACK registration consists of a short hexidecimal registration
      key, good for all versions of DISKBACK, including future updates.

      If you wish to register the DISKBACK, please send $24.95 to:

           MarshallSoft Computing, Inc.
           Post Office Box  4543
           Huntsville AL 35815

      DISKBACK can be registered by mail, voice telephone, FAX, or
      Internet email. Add $3 S&H ($5 overseas) if you wish a disk to be
      mailed or $2 ($3 overseas) if you want your registration key sent
      by FAX.

      We accept American Express, VISA, MasterCard, and Discover, checks
      in US dollars drawn on a US bank, purchase orders (POs) from
      recognized US schools and companies listed in Dun & Bradstreet,
      and COD (street address and phone number required) within the USA
      (plus a $4.50 COD charge).  Credit cards require account number,
      expiration date, exact name on the card, and complete credit card
      billing address (not your bank).

      The registration key is good for any future updates. You do not
      need to register updates again.

      Print the file INVOICE.TXT if an invoice is needed.

      Multiple copies are available (call for pricing). A site license
      is also available (call for pricing).


      8.0 Revision History

      Version 1.0, October 1, 1995.

        o Original (limited) release.

      Version 1.1, June 18, 1997.

        o Enhanced documentation.
        o Shareware version limited to 30 day trial period.
        o Minor changes to code.














     DISKBACK Users Manual                                     Page 9
      9.0 License

      MarshallSoft Computing, Inc. grants the registered user of
      DISKBACK the right to use one copy of the DISKBACK library on a
      single computer. The user may not use DISKBACK on more than one
      computer at the same time.


      10.0 Warranty

      MARSHALLSOFT COMPUTING, INC. DISCLAIMS ALL WARRANTIES RELATING TO
      THIS SOFTWARE, WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
      LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
      FOR A PARTICULAR PURPOSE, AND ALL SUCH WARRANTIES ARE EXPRESSLY
      AND SPECIFICALLY DISCLAIMED. NEITHER MARSHALLSOFT COMPUTING, INC.
      NOR ANYONE ELSE WHO HAS BEEN INVOLVED IN THE CREATION, PRODUCTION,
      OR DELIVERY OF THIS SOFTWARE SHALL BE LIABLE FOR ANY INDIRECT,
      CONSEQUENTIAL, OR INCIDENTAL DAMAGES ARISING OUT OF THE USE OR
      INABILITY TO USE SUCH SOFTWARE EVEN IF MARSHALLSOFT COMPUTING,
      INC.  HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR
      CLAIMS. IN NO EVENT SHALL MARSHALLSOFT COMPUTING, INC.'S LIABILITY
      FOR ANY SUCH DAMAGES EVER EXCEED THE PRICE PAID FOR THE LICENSE TO
      USE THE SOFTWARE, REGARDLESS OF THE FORM OF THE CLAIM. THE PERSON
      USING THE SOFTWARE BEARS ALL RISK AS TO THE QUALITY AND
      PERFORMANCE OF THE SOFTWARE.

      Some states do not allow the exclusion of the limit of liability
      for consequential or incidental damages, so the above limitation
      may not apply to you.

      This agreement shall be governed by the laws of the State of
      Alabama and shall inure to the benefit of MarshallSoft Computing,
      Inc.  and any successors, administrators, heirs and assigns.  Any
      action or proceeding brought by either party against the other
      arising out of or related to this agreement shall be brought only
      in a STATE or FEDERAL COURT of competent jurisdiction located in
      Madison County, Alabama. The parties hereby consent to in personam
      jurisdiction of said courts.





















     DISKBACK Users Manual                                     Page 10
