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tomvv

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touch

what is the use of touch command?

what is the difference between touch -p and touch -t command...
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slightwv (䄆 Netminder)

RTFM:  Read The Friendly Manpage?

From a command prompt:  man touch

http://unixhelp.ed.ac.uk/CGI/man-cgi?touch
http://www.rtr.com/winpak/Documentation/touch.htm

Each version of Unix can have different command line options so your own manpage is the best resource.
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woolmilkporc
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Where did you find "touch -p"? Have an example?
I've never come across a version of touch that has the -p flag.
@Tintin - Me neither, that's why I'm curious about an example ;)