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1. The /tmp directory is a temporary directory and will not exist on a system at all times. True or False?
- True
- False
2. The /var directory has files that change over time. True or False?
- True
- False
3. The “sticky bit” permission…
- …prevents others from overwriting files they don’t own in common directories.
- …changes the group ownership of existing files in a directory.
- …prevents others from removing files they don’t own from a common directory.
- …sets the group ownership of any new file created in a directory.
4. Which of the following commands will set the “sticky bit” on /shared ?
- chmod 4777 /shared
- chmod 1777 /shared
- chmod 2777 /shared
- chmod 7777 /shared
5. The “setuid” permission…
- …allows files in a directory to be manipulated as by the directory owner.
- …reports the output of a script to the owner.
- …allows a command to be run as the file owner.
- …prevents the owner of a file from being changed.
6. Which of the following commands will set setuid for /usr/bin/program?
- None of the above
- chmod 2755 /usr/bin/program
- chmod 1755 /usr/bin/program
- chmod 4755 /usr/bin/program
7. The setgid permission… (choose two)
- …allows files created in a directory to be owned by the group that owns the directory.
- …can only be set on files.
- …allows a command to be run as the group owner of the file.
- …prevents the group owner of a file from being changed.
8. Which of the following commands will set setgid on /shared ?
- None of the above
- chmod 4777 /shared
- chmod 1777 /shared
- chmod 2777 /shared
9. Setting setgid on a directory…
- …will allow scripts in the directory to be executed as the group owner of the directory.
- …will set the group owner of all files created in the directory to the group owner of the directory.
- …does nothing.
- …is not allowed by the system.
10. Deleting a source file will break an associated hard link.True or False?
- True
- False
11. A source and a hard link must be part of the same filesystem.True or False?
- True
- False
12. Deleting a source file will break an associated symbolic link.True or False?
- True
- False
13. A source file and a symbolic link must be part of the same file system.True or False?
- True
- False
14. Which of the following commands would create a hard link, link to file?
- ln file link
- ln -s link file
- ln -s file link
- ln link file
15. Which of the following commands would create a symbolic link, link to file?
- ln -s link file
- ln file link
- ln -s file link
- ln link file
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