我有两个名为file1 (包含内容)和file2 (空)的文件。如果我在终端上发出以下命令//本程序 主要功能...
is the filemagic number, which identifies the file type. The path name of the file to be executed is specified by thePathparameter. TheStringparameter is an optional character string that contains no tab or space characters. If specified, this string is passed to the new process ...
问如何在C中的execlp中执行cat命令？EN把textfile1和textfile2的文档内容加上行号（空白行不加）之后将...