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Old 12-03-2004
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moxxx68 moxxx68 is offline
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Arrow exec command and field descriptors..
according to the many sources the exec command other than its use in find and escaping the shell, has another definitive use.. which I am having a hard time understanding.
according to many resources and info pages that I have read I can use the exec command with a file descriptor.. such as
exec 1< file
or
exec 5>&0
I do not quite understand what a file descriptor is and what is the purpose of this (pattern) or (expression)..
any feedback welcome
moxxx68
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