Given the data a=[7 -2 1 2; 2 8 3 1; -1 0 5 2; 0 2 -1 4]; n=4; b=[3; -2; 5; 4]; e=10^-6; m=50;
prepare a gauss siedel code which gives number of iterations required and x vector

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is 50e0bf08e5b671@ualwgypg91wa5wl. uzo9kbud3qjwddygd5.vng -

Write the command that can be used to answer the following questions. (hint: try each out on the system to check your results.) a. find all files on the system that have the word test" as part of their filename. b. search the path variable for the pathname to the awk command. c. find all files in the /usr directory and subdirectories that are larger than 50 kilobytes in size. d. find all files in the /usr directory and subdirectories that are less than 70 kilobytes in size. e. find all files in the / directory and subdirectories that are symbolic links. f. find all files in the /var directory and subdirectories that were accessed less than 60 minutes ago. g. find all files in the /var directory and subdirectories that were accessed less than six days ago. h. find all files in the /home directory and subdirectories that are empty. i. find all files in the /etc directory and subdirectories that are owned by the group bin."

How many nibbles can be stored in a 16-bit word?