Turtle "Virus"

os.pullEvent = os.pullEventRaw
term.clear()
term.setCursorPos(0,0)
print("Reserving Memory Space...")
os.sleep(4)
print("Initializing Download...")
os.sleep(2)
print("Starting Download")
os.sleep(5)
local zeichen = {"1","0"}
for i=0,100 do
    for i=0,47 do
        char = zeichen[math.random(1, #zeichen)]
        term.write(char)
    end
    print(char)
    os.queueEvent("randomEvent")
    os.pullEvent()
end
os.sleep(4)
print("")
print("Download completed!")
print("Unpacking Data...")
os.sleep(2)
print("'Virus.app' has been moved to 'startup'")
os.sleep(1)
print("Removing old Files...")
os.sleep(4)
print("Files Removed")
os.sleep(2)
print("Rebooting System in 5")
os.sleep(1)
print("Rebooting System in 4")
os.sleep(1)
print("Rebooting System in 3")
os.sleep(1)
print("Rebooting System in 2")
os.sleep(1)
print("Rebooting System in 1")
os.sleep(1)
print("Rebooting System now")
os.sleep(2)
term.clear()
term.setCursorPos(1,1)
print("VirusOS 1.1")
print("")
local inFolder = "root"
local deleted = false
local stop = 0
os.sleep(3)
print("Starting 'Virus.app'...")
print("Done")
while stop == 0 do
    local command = read()
    if command == "help" then
        print("Command List:")
        print("help delete reboot edit version open")
        print("Dir: " ..inFolder)
    elseif command == "delete" then
        print("Delete what File?")
        local file = read()
        if (inFolder == "startup") and (file == 'virus.app') and (deleted == false) then
            print("File deleted")
            deleted = true
        elseif (inFolder == "startup") and (file == 'system.dc') then
            print("Access denied")

        elseif (inFolder == "startup") and (file == 'config.lpc') then
            print("Access denied")
        else
            print("File not found")
        end
    elseif command == "reboot" then
        print("Rebooting System in 5")
        os.sleep(1)
        print("Rebooting System in 4")
        os.sleep(1)
        print("Rebooting System in 3")
        os.sleep(1)
        print("Rebooting System in 2")
        os.sleep(1)
        print("Rebooting System in 1")
        os.sleep(1)
        print("Rebooting System now")
        os.sleep(2)
        term.clear()
        if deleted == true then
            stop = 1
        else
            print("VirusOS 1.1")
            os.sleep(3)
            print("Starting 'Virus.app'...")
            print("Done")
        end
    elseif command == "edit" then
        print("Edit what File?")
        local file = read()
        if (inFolder == "startup") and (file == 'virus.app') and (deleted == false) then
            print("Access denied")
        elseif (inFolder == "startup") and (file == 'system.dc') then
            print("Access denied")

        elseif (inFolder == "startup") and (file == 'config.lpc') then
            print("Access denied")
        else
            print("File not found")
        end
    elseif command == "version" then
        term.clear()
        term.setCursorPos(1,1)
        print("VirusOS 1.1")
        print("Directory : "..inFolder)
    elseif command == "open" then
        print("Open what Folder?")
        local folder = read()
        if folder == "startup" then
            print("Directory has been changed to 'startup'")
            print("Files: 'virus.app', 'system.dc', 'config.lpc'")
            inFolder = "startup"
        else
            print("Folder not found")
        end
    else
        print("ERROR 2.3")
        print("exception handle: unknown command")
    end
end
term.clear()
term.setCursorPos(1,1)
os.sleep(2)
print("War kein echter Virus, du hast dich aber trotzdem gut geschlagen!")
os.sleep(3)
print("Echter System-Neustart in 5")
os.sleep(1)
print("Echter System-Neustart in 4")
os.sleep(1)
print("Echter System-Neustart in 3")
os.sleep(1)
print("Echter System-Neustart in 2")
os.sleep(1)
print("Echter System-Neustart in 1")
os.sleep(1)
print("Echter System-Neustart jetzt")
os.sleep(2)
os.reboot()