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Editorial Team
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Asked: 2026-05-19T13:03:39+00:00

Here are the first few lines of output from pmap on a process, running

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Here are the first few lines of output from pmap on a process, running on CentOS 5.2:

Address   Kbytes     RSS    Anon  Locked Mode   Mapping
00101000    1268       -       -       - r-x--  libc-2.5.so
0023e000       8       -       -       - r----  libc-2.5.so
00240000       4       -       -       - rw---  libc-2.5.so
00241000      12       -       -       - rw---    [ anon ]
00244000      36       -       -       - r-x--  threads.so (deleted)
0024d000       4       -       -       - rw---  threads.so (deleted)
0024e000      20       -       -       - r-x--  Socket.so (deleted)
00253000       4       -       -       - rw---  Socket.so (deleted)
[...]

What does “(deleted)” mean on the shared library mappings?

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1 Answer

  1. Editorial Team

    That means that the file in question has been deleted. Its link count in the filesystem has gone to 0. The file will stay around until the last in-kernel reference to it has been closed, then it will be removed from the disk.

    You will often see this when a program has continued running while the packaging system has installed new updates. The old libraries have been removed and new libraries installed.

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