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trevor_hungerford 04-09-2014 06:01 PM

What does the 'p' in prwxrwxrwx mean?
Hi all,

Can someone advise what the 'p' means in prwxrwxrwx when I ls a file on my redhat box.

I want to remove it but I can't...


$ ls -ltr sched_1609
prwxrwxrwx 1 fittms rtcsadmin 0 May 20 2011 sched_1609
$ rm sched_1609
rm: cannot remove `sched_1609': Operation not permitted
Many thanks

Ser Olmy 04-09-2014 06:13 PM

The p indicates that it's a "FIFO", a file object used to pipe data from one process/program to another (First In, First Out).

As for why you can't remove it, my guess would be that it's in use.

Emerson 04-09-2014 06:27 PM

You may have fun reading up on concept everything is file in Unix world. And welcome to the forums!

trevor_hungerford 04-09-2014 06:33 PM

Many thanks! ;)

jefro 04-09-2014 07:54 PM for some more info.

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