[Tfug] What does the S Bit Mean in Linux?

Jeremy C. Reed reed at reedmedia.net
Mon Jan 1 12:57:37 MST 2007


> What does the S bit do in Linux?  This is excerpted from /bin:
> 
> -rwsr-xr-x 1 root root   117887 2006-05-01 23:50 umount

United States Patent: 4135240

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=4135240.PN.&OS=PN/4135240&RS=PN/4135240 

(In other words, the umount command will run with "root" user privileges.)




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