--- On Tue, 12/2/08, bruce <bedouglas@xxxxxxxxxxxxx> wrote: > From: bruce <bedouglas@xxxxxxxxxxxxx> > Subject: RE: How can i call a function which is usually used by root? > To: "'Community assistance, encouragement, and advice for using Fedora.'" <fedora-list@xxxxxxxxxx> > Date: Tuesday, December 2, 2008, 4:04 PM > hi... > > check out how to handle/setup a superuser group (sudo) > which allows a normal > user to assume the role/privs of the root/superuser for a > specifically > defined task. > > should handle your issue, if i understand what you're > attempting. there > should be examples on the 'net as well.. > > > -----Original Message----- > From: fedora-list-bounces@xxxxxxxxxx > [mailto:fedora-list-bounces@xxxxxxxxxx]On Behalf Of wk > Sent: Tuesday, December 02, 2008 1:21 AM > To: fedora-list > Subject: How can i call a function which is usually used by > root? > > > I want write a c program.And a common user(not in root > group) will run this > program. > In this program,I call fread(/dev/sdc...) and > fwrite(/dev/sdc),but this call > will return "permission no allow".If I use the > root user,will be ok. > How to change to the authority to root's? > > I know the root's password. > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: > https://www.redhat.com/mailman/listinfo/fedora-list > Guidelines: > http://fedoraproject.org/wiki/Communicate/MailingListGuidelines study the following... s bit is what you want: consider the function passwd...allows the user to alter a file owned by root How does one set the sticky bit and set UID bits with chmod? octal digit> 1 2 3 4 octal value 4 set UID r r r 2 set GID w w w 1 sticky bit x x x r read w write x execute s set UID or set GID t set sticky bit chmod u+st filename chmod -R does down the tree -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines