Chapter 7, Problem 15RQ

3.2 Modify the order of some of the get requests to prevent the possibility of any deadlock.

Thank you, but the renaming needs to read from a list in a text file called (filenames.txt) . I don't see it in the code? What did I miss?

Write your own version of find named myfind that writes output to the file findout but without the clutter of error messages, such as those generated when you do not have permission to search a directory. The myfind command should accept the same options and arguments as find. Can you think of a situation in which myfind does not work as desired?

Learn the difference between a file extension and the function it serves in the job that you do by familiarizing yourself with both.

"ls" command to list ALL the contents of a directory in long format, sortedin reverse by last modification time?

After typing the ls –F command, you see the following line in the output:  -rw-r-xr- - 1 user1 root 0 Apr 29 15:40 file1What does this mean?*       a. User1 has read and write, members of the root group have read and execute, and all others have read permissions to the file.       b. Members of the root group have read and write, user1 has read and execute, and all others have read permissions to the file.       c. All users have read and write, members of the root group have read and execute, and user1 has read permissions to the file.       d. User1 has read and write, all others have read and execute, and members of the root group have read permissions to the file.

If you don't know where the update.txt file is on your machine, you should print a duplicate.

In case you can't remember where you put the update.txt file, write it down.

After typing the ls –F command, you see the following line in the output:-rw-r-xr- -    1 user1           root            0 Apr 29 15:40 file1What does this mean?a. User1 has read and write, members of the root group have read and execute, and allothers have read permissions to the file.b. Members of the root group have read and write, user1 has read and execute, and allothers have read permissions to the file.c. All users have read and write, members of the root group have read and execute,and user1 has read permissions to the file.d. User1 has read and write, all others have read and execute, and members of theroot group have read permissions to the file.