Create a function in the system that is always available in the Shell launched by you (explain how you would accomplish this) and does the following...

Create a function in the system that is always available in the Shell launched by you (explain how you would accomplish this) and does the following upon triggering it with: checkjournal

• prompts the user to enter a one-word keyword

• scans the journald for the occurrence of the keyword

• displays all lines where the keyword occurred (20).