Answer Posted / chinavenkanna babu

setuid:When setuid permission is set to an executable
file,if the user runs this executable file he is granted
access based on the owner of the file instead of who
started an executable file.we can set the setuid permission
on file # chmod 4555 executable_file

setgid:when setgid permission is set to the file in a
directory,the file belongs to the same group in which the
directory is a member.we can set the setgid permission on
file # chmod 2555 executable_file

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