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发表于 2003-8-18 13:09:54
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gentoohost root # sleep --help
Usage: sleep NUMBER[SUFFIX]...
or: sleep OPTION
Pause for NUMBER seconds. SUFFIX may be `s' for seconds (the default),
`m' for minutes, `h' for hours or `d' for days. Unlike most implementations
that require NUMBER be an integer, here NUMBER may be an arbitrary floating
point number.
--help display this help and exit
--version output version information and exit
Report bugs to <bug-sh-utils@gnu.org>. |
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