What is the difference between Shared object file and Relocatable file?

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https://linux-audit.com/elf-binaries-on-linux-understanding-and-analysis/
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The type field tells us what the purpose of the file is. There are a
few common file types.



CORE (value 4)
DYN (Shared object file), for libraries (value 3)
EXEC (Executable file), for binaries (value 2)
REL (Relocatable file), before linked into an executable file (value 1)



https://unix.stackexchange.com/a/476157/674 shows that a kernel module is REL. Why is it REL not DYN?



What is the difference between DYN and REL?



Thanks.






linux shared-library elf






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    https://linux-audit.com/elf-binaries-on-linux-understanding-and-analysis/
    says




    The type field tells us what the purpose of the file is. There are a
    few common file types.



    CORE (value 4)
    DYN (Shared object file), for libraries (value 3)
    EXEC (Executable file), for binaries (value 2)
    REL (Relocatable file), before linked into an executable file (value 1)



    https://unix.stackexchange.com/a/476157/674 shows that a kernel module is REL. Why is it REL not DYN?



    What is the difference between DYN and REL?



    Thanks.






    linux shared-library elf






    share























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      up vote
      0
      down vote

      favorite











      https://linux-audit.com/elf-binaries-on-linux-understanding-and-analysis/
      says




      The type field tells us what the purpose of the file is. There are a
      few common file types.



      CORE (value 4)
      DYN (Shared object file), for libraries (value 3)
      EXEC (Executable file), for binaries (value 2)
      REL (Relocatable file), before linked into an executable file (value 1)



      https://unix.stackexchange.com/a/476157/674 shows that a kernel module is REL. Why is it REL not DYN?



      What is the difference between DYN and REL?



      Thanks.






      linux shared-library elf






      share













      https://linux-audit.com/elf-binaries-on-linux-understanding-and-analysis/
      says




      The type field tells us what the purpose of the file is. There are a
      few common file types.



      CORE (value 4)
      DYN (Shared object file), for libraries (value 3)
      EXEC (Executable file), for binaries (value 2)
      REL (Relocatable file), before linked into an executable file (value 1)



      https://unix.stackexchange.com/a/476157/674 shows that a kernel module is REL. Why is it REL not DYN?



      What is the difference between DYN and REL?



      Thanks.






      linux shared-library elf




      linux shared-library elf





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      Tim

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