My team need to use "mknod" ...how can I handle this...

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http://www.linuxquestions.org – My team member want to use "mknod" command for build root file system of our project... But, mknod is only excutable by "root". I don't want to let them know the root password. I think that "sudo" and "fakeroot" are the way to use mknod... Is that right?? Except for those command, are there any way to use "mknode" ? OR Is there any solution for make "root file system ?" please let me know the good solution .. (HowTos)