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/tmp permissions


 I'de some questions about /tmp directory:

 My /tmp directory permissions are:

     rwxrwxrwt   2 root     root         1024 Sep 13 14:17 tmp

 ... meanwhile chmod manual says that "t" permission is to: save program
text on swap device !

  What this means !? /tmp directory isn't on any swap device !

 It's a "good policy" for /tmp directory to have 777 permissions !?
 With such permissions any user could write on that directory until even
there's no more space on device, rigth !?


 Best regards,
    Nuno Carvalho

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