The find command is quite helpful and can be used for many purposes, such as before or during backup operations. See the section "Using Backup Software" in Chapter 17, "Backing Up, Restoring, and Recovery."
Note that the programs do not necessarily have to be removed from your system. If your users really do not need to use the program, you can remove execute permission of the program for anyone. You have to decide, as the root operator, whether your users are allowed to, for example, mount and unmount CD-ROMs or other media on your system. Although Linux-based operating systems can be set up to accommodate ease of use and convenience, allowing programs such as mount to be suid might not be the best security policy. Other candidates for suid permission change could include the chsh, at, or chage commands.
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