Note that this can only save you while you're trying to redirect output to an existing file — it isn't any help if you're using cp or mv to overwrite the file.

注意，这只能防止把输出重定向到现有文件；如果使用cp或mv覆盖文件，这个变量没有任何帮助。

youdao

NOTE To save space, I haven't relisted the execution redirection and file hiding routines.

提示为了节省空间，我不在列出执行重定向和文件隐藏的例程序。

youdao

NOTE To save space, I haven't relisted the execution redirection and file hiding routines.

提示为了节省空间，我不在列出执行重定向和文件隐藏的例程序。

youdao