Dem bois OS (Port from Batch to Lua)

--Just some badly made Batch OS that I ported to CC Lua.
--Original: https://youtu.be/EmiGL60OGtc

os.pullEvent = os.pullEventRaw
term.setBackgroundColor(colors.blue)

function anykey()
print "Press any key to continue . . ."
os.pullEvent("key")
end

--Clears the screen
function clear()
  term.clear()
  term.setCursorPos(1,1)
end

function boot()
clear()
print "Dem bois OS System Disk found!"
print "Starting up... 1%"
print "Starting up... 7%"
print "Starting up... 50%"
print "Starting up... 93%"
print "Starting up... 100%"
print "Loading complete!"
anykey()
begin()
end

function begin()
clear()
print "What is your first name?"
local fname = read()
print "What is your last name?"
local lname = read()
print("Hello " ..fname.. " " ..lname.. "!")
anykey()
home()
end

function home()
clear()
print "Here are a few programs that you can use."
print "(1) System Information"
print "(2) Notepad"
print "(3) Zombie Attack"
print "(4) Calculator"
print "(5) Browser"
write "Choose-"
local input = read()

if input == "1" then
specs()
elseif input == "2" then
notepad()
elseif input == "3" then
zombie()
elseif input == "4" then
-- this in intended, it's a bug in the real dem bois os
man()
else
home()
end
end

function specs()
clear()
print "4GB of RAM, Intel(R) Pentium(R) CPU G630 @ 2.70GHz 2.70 GHz"
print "222GB SSD."
anykey()
home()
end

function notepad()
clear()
print "Are you ready to open Notepad?"
anykey()

if settings.get("shutdownos.password") then
shell.run "shutdownedit goto YSOS.txt"
else
shell.run "edit goto YSOS.txt"
end

home()
end

function zombie()
clear()
print "Welcome to Zombie Atttack"
print "In this game you fight zombies."
print "(1) Begin"
print "(2) Exit"
write "Choose-"
local input = read()

if input == "1" then
fight()
elseif input == "2" then
home()
else
zombie()
end

end

function man()
clear()
print "You find a strange man in the woods,"
print "you think he is just a man, but really, he's a zombie!"
print "Entering Battle 1..."
anykey()
fight()
end

function fight()
clear()
print "Zombie used Bite!"
print "Your health fell by -5hp!"
print "You have 3 attacks."
print "(1) Punch"
print "(2) Slap"
print "(3) Kick in the butt"
write "Choose-"
local input = read()

if input == "1" then
done()
else
fight()
end

end

function done()
clear()
print "You used Punch!"
print "Congrafulations!"
print "You beat the Zombie!"
print "Thanks for playing!"
anykey()
home()
end

boot()