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DOS sleep cmd 

woolf
Joined:
01/15/2009
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February 10, 2011 12:51:14    Last update: February 10, 2011 13:06:11
Windows command line shell does not come with a sleep command. One trick is to emulate sleep using the ping command: 
C:\>ping /?

Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
            [-r count] [-s count] [[-j host-list] | [-k host-list]]
            [-w timeout] target_name

Options:
    -t             Ping the specified host until stopped.
                   To see statistics and continue - type Control-Break;
                   To stop - type Control-C.
    -a             Resolve addresses to hostnames.
    -n count       Number of echo requests to send.
    -l size        Send buffer size.
    -f             Set Don't Fragment flag in packet.
    -i TTL         Time To Live.
    -v TOS         Type Of Service.
    -r count       Record route for count hops.
    -s count       Timestamp for count hops.
    -j host-list   Loose source route along host-list.
    -k host-list   Strict source route along host-list.
    -w timeout     Timeout in milliseconds to wait for each reply.


To sleep for about 5 seconds: 
@rem make sure to ping a non-existing IP, otherwise ping will exit before the timeout.
ping 1.1.1.1 -n 1 -w 5000


If you have the Windows Resource Kit installed, it does provide a sleep command: 
C:\>sleep
Usage:  sleep      time-to-sleep-in-seconds
        sleep [-m] time-to-sleep-in-milliseconds
        sleep [-c] commited-memory ratio (1%-100%)

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