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GNU shell utilities

12.1 sleep: Delay for a specified time

sleep pauses for an amount of time specified by the sum of the values of the command line arguments. Synopsis:

sleep [number[smhd]]...

Each argument is a number followed by an optional unit; the default is seconds. The units are:

`s'

seconds

`m'

minutes

`h'

hours

`d'

days

The only options are `--help' and `--version'. See section 2. Common options.