Part $1.$ Shell Experiences and Programming

You are asked to try Unix$/$Linux shell in this part of project.

Requirements:

$1.$ Run the displayinfo.sh and greeting.sh scripts provided and report the result $($i$.$e$.$ using

shell redirection to produce output files and then submit output files$).$

$2.$ Made two modifications to the greeting.sh script provided: $1)$ the script only shows a

greeting message when it$$s morning, afternoon, or evening; please make a code

modification to show a greeting message $$Hello $[$your login name$]!$ when it$$s other than

morning, afternoon, or evening; $2)$ please output the greeting message to a file called

$$greetingmsg$,$ and if this file already exists, then deletes the file first, then output the

message to this file.

$3.$ Run the modified greeting.sh script on the HPCC server and report the result.