The UNIX set-user-id bit allows users to run an executable program with the permissions of the...
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The UNIX set-user-id bit allows users to run an executable program with the permissions of the executable's owner. It is often used to allow ordinary users on a UNIX system to run programs with temporarily elevated privileges to perform a specific task, such as changing their login password, which requires accessing the /etc/shadow file which only the root user can read. A UNIX administrator must control all set-user-id programs. Which of the following command lines could be used to display a list of all such programs? find / -type 1 -perm +4000 -exec 13 -1 {} \; find / -type f -perm +2000 -exec 13 -1 {} \; find / -type f -perm +4000 -exec 13 -1 {} \; find / -type d -perm +4000 -exec ls -1 {} \; find / -type f -perm +3000 -exec ls -1 {} \; The UNIX set-user-id bit allows users to run an executable program with the permissions of the executable's owner. It is often used to allow ordinary users on a UNIX system to run programs with temporarily elevated privileges to perform a specific task, such as changing their login password, which requires accessing the /etc/shadow file which only the root user can read. A UNIX administrator must control all set-user-id programs. Which of the following command lines could be used to display a list of all such programs? find / -type 1 -perm +4000 -exec 13 -1 {} \; find / -type f -perm +2000 -exec 13 -1 {} \; find / -type f -perm +4000 -exec 13 -1 {} \; find / -type d -perm +4000 -exec ls -1 {} \; find / -type f -perm +3000 -exec ls -1 {} \;
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Related Book For
Principles Of Information Security
ISBN: 9780357506431
7th Edition
Authors: Michael E. Whitman, Herbert J. Mattord
Posted Date:
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