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I'm trying to understand the first line of a tar file header. The archive was created using tar --format=v7.

Here is the line in question:

Makefile0000644000175000001440000000072612644013631007440 00000000000000

First letters are the name of the file. What do the following numbers mean?

Ronan Boiteau
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Oscar
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1 Answers1

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0000644 probably refers to the permissions, after that you'll have things like date/time created, owner information, etc.

mattl
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  • i Have this to : struct posix_header { char name[100]; char mode[8]; char uid[8]; char gid[8]; char size[12]; char mtime[12]; char chksum[8]; char typeflag; char linkname[100]; char magic[6]; char version[2]; char uname[32]; char gname[32]; char devmajor[8]; char devminor[8]; char prefix[155]; }; – Oscar Jan 08 '16 at 21:42
  • @Xjames56X If you have that information, it should tell you how to interpret everything in the file. – Barmar Jan 08 '16 at 22:08