Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type w sample$2$ and press Enter. What happened?

$21$

Press i to enter insert mode, and type the word test $.$ Next, press Esc to switch to command mode. Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type q $,$ and press Enter to quit the vi editor. Were you able to quit? Why not?

$22$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type q$!,$ and press Enter to quit the vi editor and discard any changes since the last save.

$23$

At the command prompt, type ls and press Enter to view the contents of your current directory. Notice it now includes a file called sample$2,$ which was created in Step $20.$ Type diff sample$1$ sample$2$ and press Enter to view the difference in content between the two files you created.

$24$

At the command prompt, type vi sample$2$ and press Enter to open the letter again in the vi editor.

$25$

Use the cursor keys to position your cursor on the line that reads Hi Bob, I hope this day finds you well.

$26$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type s$/$Bob$/$Barb$/$g $,$ and press Enter to change all occurrences of $$Bob$$ to $$Barb$$ on the current line.

$27$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type $1,$$ s$/$to$/$TO$/$g $,$ and press Enter to change all occurrences of the word $$to$$ to $$TO$$ for the entire file.

$28$

Press the u key. What happened?

$29$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type wq $,$ and press Enter to save your document and quit the vi editor.

$30$

At the command prompt, type vi sample$3$ and press Enter to open a new file called sample$3$ in the vi editor. Press i to enter insert mode. Next, type P$.$S$.$ How were the flies this year? Press the Esc key when finished.

$31$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type wq $,$ and press Enter to save your document and quit the vi editor.

$32$

At the command prompt, type vi sample$1,$ press Enter to open the file sample$1$ again, and use the cursor keys to position your cursor on the line that reads $$Mackenzie Elizabeth.$$

$33$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type r sample$3,$ and press Enter to insert the contents of the file sample$3$ below your current line.

$34$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type s$/$flies$/$flies and bears$/$g and press Enter. What happened and why?

$35$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type set number $,$ and press Enter to turn on line numbering.

$36$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type set nonumber $,$ and press Enter to turn off line numbering.

$37$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen, type set all $,$ and press Enter to view all vi parameters. Press Enter to advance through the list, and press q when finished to return to the vi editor.

$38$

Press the Shift and ; keys together to open the : prompt at the bottom of the screen again, type wq $,$ and press Enter to save your document and quit the vi editor.

$39$

Type exit and press Enter to log out of your shell.