cannot execute binary file 的问题

写了个test.c

#include <stdio.h>

void main()
{
    printf("hello world!\n");
}

gcc -g -o test -c test.c后

./test: Permission denied

chmod +x test 后

bash: ./test: cannot execute binary file

但是 改成 gcc -g -o test test.c就行,搞不懂为什么要这样....以后再解决吧