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发表于 2007-5-30 16:45:08
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- -R Copy directories recursively, and do the right thing when objects other than ordinary files or
- directories are encountered. (Thus, the copy of a FIFO or special file is a FIFO or special
- file.)
- -r Copy directories recursively, and do something unspecified with objects other than ordinary
- files or directories. (Thus, it is allowed, in fact encouraged, to have the -r option a syn-
- onym for -R. However, silly behaviour, like that of the GNU 4.0 version of cp is not forbid-
- den.)
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不过我也没看懂。 |
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