1、覆盖写文件 ">" date > not_append_file.txt 2、追加写文件">>" echo "hello" > yes_append_file.txt date >> yes_append_file.txt 相关文章： 2022-02-06 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-12-04 2021-12-26