#shell

function os.version()
  return "CraftOS 1.3"
end

shell.setAlias( "ls", "list" )
shell.setAlias( "dir", "list" )
shell.setAlias( "cp", "copy" )
shell.setAlias( "mv", "move" )
shell.setAlias( "rm", "delete" )
shell.setAlias( "pb", "rom/programs/http/pastebin" )
shell.setAlias( "pastebin", "rom/programs/http/pastebin" )

oldfsread = fs.isReadOnly
oldfsopen = fs.open
oldioopen = io.open
oldfsdelete = fs.delete
oldfsmove = fs.move

function newfsread( path )
	if path == "disk/bios.lua" or path == "/disk/bios.lua" or path == "disk/shell" or path == "/disk/shell" then
		return true
	else
		return oldfsread( path )
	end
end

function newfsopen( path, type )
	if path then
		if path == "disk/bios.lua" or path == "/disk/bios.lua" or path == "disk/shell" or path == "/disk/shell" then
			return false
		end
	end

	return oldfsopen( path, type )
end

function newioopen( path, type )
	if path then
		if path == "disk/bios.lua" or path == "/disk/bios.lua" or path == "disk/shell" or path == "/disk/shell" then
			return false
		end
	end

	return oldioopen( path, type )
end

function fsdelete( path )
	if path then
		if path == "disk/bios.lua" or path == "/disk/bios.lua" or path == "disk/shell" or path == "/disk/shell" then
			return false
		end
	end

	return oldfsdelete( path )
end

function fsmove( path , hai )
	if path then
		if path == "disk/bios.lua" or path == "/disk/bios.lua" or path == "disk/shell" or path == "/disk/shell" then
			return false
		end
	end

	return oldfsmove( path , hai )
end

fs.move = fsmove
fs.delete = fsdelete
fs.open = newfsopen
io.open = newioopen
fs.isReadOnly = newfsread