What are the different types of files that the 'whereis' command can locate for a specified command?

The whereis command can locate the following types of files for a specified command:

1. Binary Executable Files: The actual executable files for the command.
2. Manual Pages: Documentation files that provide help and usage information for the command.
3. Source Files: The source code files associated with the command (if available).

You can use specific options with whereis to focus on these types, such as -b for binaries, -m for manual pages, and -s for source files.