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  3. I like how Windows managed the 32bit/64bit migration in the most sensible way, by making us pick from two copies of every installer/binary forever

I like how Windows managed the 32bit/64bit migration in the most sensible way, by making us pick from two copies of every installer/binary forever

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  • foone@digipres.clubF foone@digipres.club

    I like how Windows managed the 32bit/64bit migration in the most sensible way, by making us pick from two copies of every installer/binary forever

    autinerd@chaos.socialA This user is from outside of this forum
    autinerd@chaos.socialA This user is from outside of this forum
    autinerd@chaos.social
    wrote last edited by
    #5

    @foone thanks to arm64 its now three 🤪

    1 Reply Last reply
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    • foone@digipres.clubF foone@digipres.club

      I like how Windows managed the 32bit/64bit migration in the most sensible way, by making us pick from two copies of every installer/binary forever

      wyatt@soc.megatokyo.moeW This user is from outside of this forum
      wyatt@soc.megatokyo.moeW This user is from outside of this forum
      wyatt@soc.megatokyo.moe
      wrote last edited by
      #6
      @foone fat binaries? that sounds too complicated
      1 Reply Last reply
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      • benjistokman@mast.benstokman.meB benjistokman@mast.benstokman.me

        @foone that's what Mac programs do now. They just package amd64 and armv8 together.

        foone@digipres.clubF This user is from outside of this forum
        foone@digipres.clubF This user is from outside of this forum
        foone@digipres.club
        wrote last edited by
        #7

        @benjistokman yeah! because their OS was designed by non-maniacs!

        1 Reply Last reply
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        • foone@digipres.clubF foone@digipres.club

          I know programmers who use fat binaries and they're all cowards

          foone@digipres.clubF This user is from outside of this forum
          foone@digipres.clubF This user is from outside of this forum
          foone@digipres.club
          wrote last edited by
          #8

          technically windows does use fat binaries, they're just DOS/windows.

          which is really only ever used to display a "you need windows to run this program" if you accidentally run it in DOS.

          foone@digipres.clubF dalias@hachyderm.ioD cinebox@masto.hackers.townC cr1901@mastodon.socialC 4 Replies Last reply
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          • foone@digipres.clubF foone@digipres.club

            technically windows does use fat binaries, they're just DOS/windows.

            which is really only ever used to display a "you need windows to run this program" if you accidentally run it in DOS.

            foone@digipres.clubF This user is from outside of this forum
            foone@digipres.clubF This user is from outside of this forum
            foone@digipres.club
            wrote last edited by
            #9

            I wonder if it still does that for 64bit EXEs?

            luna@catgirl.centerL jernej__s@infosec.exchangeJ 2 Replies Last reply
            0
            • foone@digipres.clubF foone@digipres.club

              technically windows does use fat binaries, they're just DOS/windows.

              which is really only ever used to display a "you need windows to run this program" if you accidentally run it in DOS.

              dalias@hachyderm.ioD This user is from outside of this forum
              dalias@hachyderm.ioD This user is from outside of this forum
              dalias@hachyderm.io
              wrote last edited by
              #10

              @foone But you *can* use that for so much more.... 😈

              gsuberland@chaos.socialG 1 Reply Last reply
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              • foone@digipres.clubF foone@digipres.club

                I like how Windows managed the 32bit/64bit migration in the most sensible way, by making us pick from two copies of every installer/binary forever

                cinebox@masto.hackers.townC This user is from outside of this forum
                cinebox@masto.hackers.townC This user is from outside of this forum
                cinebox@masto.hackers.town
                wrote last edited by
                #11

                @foone don’t forget the software that also has arm64 binaries!

                1 Reply Last reply
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                • foone@digipres.clubF This user is from outside of this forum
                  foone@digipres.clubF This user is from outside of this forum
                  foone@digipres.club
                  wrote last edited by
                  #12

                  64bit windows EXE, being run in DOSBox-X:

                  Link Preview Image
                  foone@digipres.clubF 1 Reply Last reply
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                  • foone@digipres.clubF foone@digipres.club

                    technically windows does use fat binaries, they're just DOS/windows.

                    which is really only ever used to display a "you need windows to run this program" if you accidentally run it in DOS.

                    cinebox@masto.hackers.townC This user is from outside of this forum
                    cinebox@masto.hackers.townC This user is from outside of this forum
                    cinebox@masto.hackers.town
                    wrote last edited by
                    #13

                    @foone surely NTFS binaries are more common these days

                    1 Reply Last reply
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                    • foone@digipres.clubF foone@digipres.club

                      64bit windows EXE, being run in DOSBox-X:

                      Link Preview Image
                      foone@digipres.clubF This user is from outside of this forum
                      foone@digipres.clubF This user is from outside of this forum
                      foone@digipres.club
                      wrote last edited by
                      #14

                      fun fact: although that DOS stub usually just says that and quits, there's nothing that stops it from doing other things.

                      You could write a program that runs on DOS and win64, it'd just need to be implemented twice and embedded in the same binary

                      foone@digipres.clubF dosnostalgic@mastodon.socialD dryak@mstdn.scienceD kawa@mas.toK 4 Replies Last reply
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                      • foone@digipres.clubF foone@digipres.club

                        technically windows does use fat binaries, they're just DOS/windows.

                        which is really only ever used to display a "you need windows to run this program" if you accidentally run it in DOS.

                        cr1901@mastodon.socialC This user is from outside of this forum
                        cr1901@mastodon.socialC This user is from outside of this forum
                        cr1901@mastodon.social
                        wrote last edited by
                        #15

                        @foone I feel like I remember certain Win 3.x binaries also prepending a DOS executable of the same program, so that the same binary runs on both systems.

                        But Win 3.x isn't PE. So maybe I'm misremembering.

                        1 Reply Last reply
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                        • foone@digipres.clubF foone@digipres.club

                          fun fact: although that DOS stub usually just says that and quits, there's nothing that stops it from doing other things.

                          You could write a program that runs on DOS and win64, it'd just need to be implemented twice and embedded in the same binary

                          foone@digipres.clubF This user is from outside of this forum
                          foone@digipres.clubF This user is from outside of this forum
                          foone@digipres.club
                          wrote last edited by
                          #16

                          so you could fat-binary a program to run on DOS/win32/win64 this way, by making it a 32bit program which win64 can run though backwards compatibility.

                          I'm not sure if you can include win16 though: it won't run the DOS stub, and it'll not be able to run the win32 version.

                          Unless you can set up win32s on win16 in such a way that it works in both 16bit windowses (through win32s) and 32bit-native windowses

                          max@peering.socialM kathee_hds@tech.lgbtK foone@digipres.clubF jernej__s@infosec.exchangeJ 4 Replies Last reply
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                          • foone@digipres.clubF foone@digipres.club

                            I wonder if it still does that for 64bit EXEs?

                            luna@catgirl.centerL This user is from outside of this forum
                            luna@catgirl.centerL This user is from outside of this forum
                            luna@catgirl.center
                            wrote last edited by
                            #17

                            @foone@digipres.club it's even still a thing in arm64 exes (iirc with an x86 dos stub) and bootmgfw.efi, even though no reasonable person will ever try to run those on dos

                            luna@catgirl.centerL 1 Reply Last reply
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                            • dalias@hachyderm.ioD dalias@hachyderm.io

                              @foone But you *can* use that for so much more.... 😈

                              gsuberland@chaos.socialG This user is from outside of this forum
                              gsuberland@chaos.socialG This user is from outside of this forum
                              gsuberland@chaos.social
                              wrote last edited by
                              #18

                              @dalias @foone I wrote a really evil CTF challenge where the Windows part was pure misdirection, it had tons of nasty anti-analysis stuff, sent people on a runaround chasing down endless threads, and the flag wasn't in there at all. if you ran it under DOS it printed the flag.

                              foone@digipres.clubF 1 Reply Last reply
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                              • gsuberland@chaos.socialG gsuberland@chaos.social

                                @dalias @foone I wrote a really evil CTF challenge where the Windows part was pure misdirection, it had tons of nasty anti-analysis stuff, sent people on a runaround chasing down endless threads, and the flag wasn't in there at all. if you ran it under DOS it printed the flag.

                                foone@digipres.clubF This user is from outside of this forum
                                foone@digipres.clubF This user is from outside of this forum
                                foone@digipres.club
                                wrote last edited by
                                #19

                                @gsuberland @dalias nasty

                                1 Reply Last reply
                                0
                                • foone@digipres.clubF foone@digipres.club

                                  so you could fat-binary a program to run on DOS/win32/win64 this way, by making it a 32bit program which win64 can run though backwards compatibility.

                                  I'm not sure if you can include win16 though: it won't run the DOS stub, and it'll not be able to run the win32 version.

                                  Unless you can set up win32s on win16 in such a way that it works in both 16bit windowses (through win32s) and 32bit-native windowses

                                  max@peering.socialM This user is from outside of this forum
                                  max@peering.socialM This user is from outside of this forum
                                  max@peering.social
                                  wrote last edited by
                                  #20

                                  RE: https://digipres.club/@foone/116195447625031209

                                  @foone Does ARM somehow also fit in?

                                  foone@digipres.clubF jernej__s@infosec.exchangeJ snowfox@tech.lgbtS 3 Replies Last reply
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                                  • foone@digipres.clubF foone@digipres.club

                                    so you could fat-binary a program to run on DOS/win32/win64 this way, by making it a 32bit program which win64 can run though backwards compatibility.

                                    I'm not sure if you can include win16 though: it won't run the DOS stub, and it'll not be able to run the win32 version.

                                    Unless you can set up win32s on win16 in such a way that it works in both 16bit windowses (through win32s) and 32bit-native windowses

                                    kathee_hds@tech.lgbtK This user is from outside of this forum
                                    kathee_hds@tech.lgbtK This user is from outside of this forum
                                    kathee_hds@tech.lgbt
                                    wrote last edited by
                                    #21

                                    @foone but fat as it is tall and with tits to match or are we being cowards?

                                    foone@digipres.clubF 1 Reply Last reply
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                                    • kathee_hds@tech.lgbtK kathee_hds@tech.lgbt

                                      @foone but fat as it is tall and with tits to match or are we being cowards?

                                      foone@digipres.clubF This user is from outside of this forum
                                      foone@digipres.clubF This user is from outside of this forum
                                      foone@digipres.club
                                      wrote last edited by
                                      #22

                                      @Kathee_HDS ROUGE.EXE!

                                      kathee_hds@tech.lgbtK 1 Reply Last reply
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                                      • foone@digipres.clubF foone@digipres.club

                                        fun fact: although that DOS stub usually just says that and quits, there's nothing that stops it from doing other things.

                                        You could write a program that runs on DOS and win64, it'd just need to be implemented twice and embedded in the same binary

                                        dosnostalgic@mastodon.socialD This user is from outside of this forum
                                        dosnostalgic@mastodon.socialD This user is from outside of this forum
                                        dosnostalgic@mastodon.social
                                        wrote last edited by
                                        #23

                                        @foone An example of this is Bleep!, an NSF player for DOS/Win32
                                        https://www.zophar.net/utilities/audio-multi/bleep-.html

                                        whophd@ioc.exchangeW 1 Reply Last reply
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                                        • luna@catgirl.centerL luna@catgirl.center

                                          @foone@digipres.club it's even still a thing in arm64 exes (iirc with an x86 dos stub) and bootmgfw.efi, even though no reasonable person will ever try to run those on dos

                                          luna@catgirl.centerL This user is from outside of this forum
                                          luna@catgirl.centerL This user is from outside of this forum
                                          luna@catgirl.center
                                          wrote last edited by
                                          #24

                                          @foone@digipres.club the .efi file for systemd-boot on my system doesn't include a dos stub though, so that's why i specifically said bootmgfw.efi

                                          1 Reply Last reply
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