LeonOS/data/computercraft/lua/rom/programs/clear.lua

-- 程序顶部名称栏
local term = require("term")
local colors = require("colors")

-- 保存当前颜色设置
local old_fg = term.getTextColor()
local old_bg = term.getBackgroundColor()

-- 设置名称栏颜色并显示
term.setTextColor(colors.white)
term.setBackgroundColor(colors.cyan)
term.at(1, 1).clearLine()
term.at(1, 1).write("=== Clear Screen ===")

-- 恢复颜色设置
term.setTextColor(old_fg)
term.setBackgroundColor(old_bg)

-- 清除剩余屏幕区域
for y=2, term.getSize() do
  term.at(1, y).clearLine()
end

term.at(1, 2)