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1. The ls command will list which of the following by default?
- The root directory
- The current directory
- Nothing; it requires an argument
- User’s home directory
2. User home directories often contain hidden files.
True or False?
- True
- False
3. Use the ___ option to display hidden files with the ls command.
- -A
- -h
- -D
- -a
4. The ls command can list the contents of only one directory at a time.
True or False?
- True
- False
5. The “.” in an ls listing represents:
- Directories that can’t be accessed
- Hidden files
- The end of the command output
- The current directory
6. To perform a “long listing” to show file details, use which of the following commands:
- ls -D
- ls -L
- ll
- ls -l
7. Using the touch command and specifying a nonexistent file…
- prompts the user to create a file.
- creates a blank file with that name.
- generates an error.
- does nothing.
8. The touch command can be used to change a file’s time-stamp to something other than the current system time.
True or False?
- True
- False
9. By default, what does the cp command preserve from the original file?
- The timestamps
- The name
- The permissions and ownership
- The contents
10. To copy the contents of a directory, use the following option(s) for the cp command: (choose two)
- -A
- -r
- -d
- -R
11. To maintain timestamps when using the cp command, use:
- -T
- -A
- -a
- -t
12. The mv command can be used to move more than one file at a time.
True or False?
- True
- False
13. The mv command will rename a file when a new directory is not specified.
True or False?
- True
- False
14. Which option for the rm command will cause it to prompt before deleting files?
- -I
- -p
- -i
- -a
15. Which option(s) for the rm command can be used to delete directories that contain files? (choose two)
- -r
- -R
- -A
- -D
16. The rm command can be used with glob characters to delete multiple files.
True or False?
- True
- False
17. The mkdir command cannot be used to:
- Delete a directory
- Create new directories
- Create multiple directories at once
- Create sub-directories in different parent directories
18. Which mkdir option should be used to create parent directories (that don’t already exist) along with the specified directory?
- -F
- -d
- -A
- -p
19. The rmdir command can be used to delete directories and their contents.
True or False?
- True
- False
20. The ls-l command output will not include:
- File permissions
- Timestamp
- Hard link count
- File contents
21. Which character at the beginning of a long listing indicates a directory?
- –
- l
- c
- d
22. Which character at the beginning of a long listing indicates a regular file?
- l
- d
- –
- c
23. Which character at the beginning of a long listing indicates a symbolic link?
- d
- c
- –
- l
24. The names of hidden files begin with the ___ character.
- *
- >
- +
- .
25. Which option to the ls command will sort the output by size instead of alphabetically?
- -r
- -s
- -S
- -t
26. Which option to the ls command will sort the output by time-stamp?
- -t
- -s
- -S
- -r
27. Which option to the ls command will reverse the sort order?
- -t
- -r
- -S
- -s
28. The file command uses _____ to determine file types.
- magic
- the “magic” file
- alchemy
- a random number generator
29. By default, using the touch command on an existing file will update the file’s _____.
- Timestamp
- Type
- Permissions
- Ownership
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