1. Which command can be used to set what your default permissions will be on new files?
- umode
- umask
- mode
- mask
2. Which commands can be used to change the ownership of a file? (choose two)
- chggrp
- chgrp
- chown
- newgrp
3. If a file has permissions that appear as rwxr-x—, what is the octal permission mode of the file?
- 760
- 650
- 750
- 740
4. Which permission is necessary on a directory in order for a user to use the cd
command to change that directory?
- Read
- None
- Execute
- Write
5. The only user with the capability to change the owner of a file is root.
True or False?
- True
- False
6. The setuid permission on a file:
- Causes the file to always run as root
- Causes the file to never run as root
- Causes the file to run under the owner’s identity
- Causes the file to run under the user’s identity
7. Using the setgid permission on a directory:
- Causes new files created in the directory to be owned by the group that owns the directory
- Causes the directory to be writable to members of the group that owns the directory
- Causes files existing in the directory to be made executable by the group
- Causes files existing in the directory to be owned by the group that owns the directory
8. Which permission is used to make a directory so that only root, the owners of files or the owner of the directory can remove them?
- sticky bit
- setgid
- write
- setuid
9. Which command is used to change permissions on a file?
- chgmode
- chmod
- chgperm
- chperm
10. To access a directory with the cd
command, you must also be able to access all the parent directories of the directory with the cd
command.
True or False?
- True
- False
11. Which command can change the user owner of a file?
- chown
- own
- pawn
- chpawn
12. To run binary executables, you need both read and execute permission. True or False?
- True
- False
13. To run a script file, you need both read and execute permission.
True or False?
- True
- False
14. Assuming everyone has access to the directory the file is in, who can view the contents of a file with permissions of rw-r—-x?
- Nobody
- Both the user owner and group owners
- Only the user owner
- Everyone
- Only the group owners
15. To switch to another group, you must:
- Be a member of the group that you are switching to
- Be logged in graphically
- Log off and log back in
- Log in as the staff user
16. Which command will allow you to change the group ownership of a file that you own?
- regroup
- chgrp
- chown
- mask
17. The group ownership of a file may only be changed by:
- The owner of the file
- Any user can change the group ownership of any file
- The root user
- Both the root user and the owner of the file
18. The only person who can change the user ownership of a file is:
- The root user
- The owner of the file
- Both the root user and owner of the file
- Any user can change the group ownership of any file
19. For the rwxr-x–x permission set, the bolded permissions belong to:
- All users besides the user owner and group owner
- The group owner of the file
- The user owner and group owner of the file
- The user owner of the file
20. For rwxr-x–x permission set, the bolded permissions belong to:
- The user owner and group owner of the file
- All users besides the user owner and group owner
- The user owner of the file
- The group owner of the file
21. For the rwxr-x–x permission set, the bolded permissions belong to:
- The group owner of the file
- All users besides the user owner and group owner
- The user owner and group owner of the file
- The user owner of the file
22. The command, chmod a+x
will:
- Remove execute permission for all users
- Add execute permissions for the user owner
- Remove execute permissions for the user owner
- Add execute permission for all users
23. The command, chmod u=g
will:
- Set the group owners permissions to match the user owners permissions
- Set the user owners permissions to match the group owners permission
- Nothing, the command syntax is invalid
- Set the user owners permissions to rwx
24. To have permissions set to rwxr-x–x, you can use the following command:
- chmod 751
- chmod 755
- chmod 777 file
- chmod 711
25. The command, chmod 1777 /data
will:
- Make the /data directory a setuid directory
- Make the /data directory a sticky bit directory
- Remove all special permissions
- Make the /data directory a setgid directory
26. The command, chmod 0777 /data
will:
- Make the /data directory a setuid directory
- Make the /data directory a setgid directory
- Make the /data directory a sticky bit directory
- Remove all special permissions
27. The command, chmod 2777 /data
will:
- Make the /data directory a setgid directory
- Make the /data directory a sticky bit directory
- Make the /data directory a setuid directory
- Remove all special permissions
28. Which command will allow you to switch to another group and add files that are group owned by this other group?
- chgrp
- switchgrp
- newgroup
- newgrp
29. What umask value would you use in order for new directories to have the permissions of rwxr-x–x?
- 027
- 077
- 022
- 026
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