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file descriptor
(redirected from File descriptors)

    Also found in: Wikipedia 0.02 sec.
(programming, operating system)file descriptor - An integer that identifies an open file within a process. This number is obtained as a result of opening a file. Operations which read, write, or close a file would take the file descriptor as an input parameter.

In many operating system implementations, file descriptors are small integers which index a table of open files. In Unix, file descriptors 0, 1 and 2 correspond to the standard input, standard output and standard error files respectively.

See file descriptor leak.


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In many operating system implementations, file descriptors are small integers which index a table of open files.
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In many operating system implementations, file descriptors are small integers which index a table of open files.
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10 also provides higher application performance and scalability by increasing file-descriptor support from 2,000 to 60,000 file descriptors.
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