If /home/jenny/draft and /home/alex/letter are links to the same file and

the following sequence of events occurs, what will be the date in the
opening of the letter?
a. Alex gives the command vim letter.
b. Jenny gives the command vim draft.
c. Jenny changes the date in the opening of the letter to January 31, 2003,
writes the file, and exits from vi.
d. Alex changes the date to February 1, 2003, writes the file, and exits
from vim.

If they both have write access to the file, and the links are to the same file, it will be the last person who did a write that changes the date of the file.

Sometimes the operating system is smart enough to lock other users out of writing when one user has write permission using, say, vim.

bjkm

Based on the sequence of events described, the date in the opening of the letter will be February 1, 2003.

Here's a step-by-step breakdown of each event:

a. Alex gives the command vim letter.
- Alex opens the file "letter" for editing.

b. Jenny gives the command vim draft.
- Jenny opens the file "draft" for editing.

c. Jenny changes the date in the opening of the letter to January 31, 2003, writes the file, and exits from vi.
- Jenny modifies the content of the file "draft" and changes the date to January 31, 2003.
- Jenny saves the changes and exits the vim editor.

d. Alex changes the date to February 1, 2003, writes the file, and exits from vim.
- Alex opens the file "letter" using vim.
- Alex modifies the content of the file and changes the date to February 1, 2003.
- Alex saves the changes and exits the vim editor.

Since both /home/jenny/draft and /home/alex/letter are links to the same file, any changes made to one file will affect the other. Therefore, the final date in the opening of the letter will be February 1, 2003.

To determine the date in the opening of the letter, let's go through the sequence of events step by step:

a. Alex gives the command vim letter.
When Alex opens the file "letter" using vim, they see the current content of the file. If the date is already present in the opening of the letter, they can note it down. If not, they can proceed to the next step.

b. Jenny gives the command vim draft.
Jenny, in a separate terminal, opens the file "draft" using vim. Since "draft" is a link to the same file as "letter", any changes made to "draft" will also affect "letter". Therefore, the content of both files will be the same.

c. Jenny changes the date in the opening of the letter to January 31, 2003, writes the file, and exits from vi.
Jenny opens the file "draft" and edits the date in the opening of the letter to January 31, 2003. After making the change, Jenny saves the file and exits from vim. At this point, both "draft" and "letter" have been updated to reflect the new date.

d. Alex changes the date to February 1, 2003, writes the file, and exits from vim.
Now it's Alex's turn. Alex opens the file "letter" using vim. Since both "letter" and "draft" point to the same file, any changes made by Alex will be reflected in both files. Alex changes the date in the opening of the letter to February 1, 2003, saves the file, and exits from vim. As a result, the date in both "letter" and "draft" is now set to February 1, 2003.

So, the final date in the opening of the letter will be February 1, 2003.