gcc编译的a.out怎么才能运行啊~~，没有任何结果！

Question

gcc编译的a.out怎么才能运行啊~~，没有任何结果！
？
明明成功编译啊~

Answer 1

你要给此文件chmod guo+rwx权限.

Answer 2

[landrew@Cloud temp]$ ./a.out
This is child process
This is child process
This is child process
This is child process
This is child process
This is child process
This is child process
This is child process
This is child process
This is process process
This is process process
This is process process
This is process process
This is process process
This is process process
This is process process
This is process process
This is process process
[landrew@Cloud temp]$

这个是显示子父进程的程序。

Answer 3

一般情况下，gcc编译生成的a.out是默认就有可执行权限的。
直接使用./a.out就可以运行了，不需要手动再设置上可执行权限。

Answer 4

终于明白了~原来编译出的东西a.out必须在命令行下执行，否则，没有任何效果~的