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1 Source code for hello.c
1 /* hello.c */ 2 #include <stdlib.h> 3 #include <stdio.h> 4 5 int main() 6 { 7 printf("Hello World!\n"); 8 exit(0); 9 }
2 Compile, link and run
$ gcc -o hello hello.c $ ./hello Hello World!
If you forget the -o name option that tells the compiler where to place the executable, it will place the program in a file called a.out (meaning assembler output).
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原文地址：http://www.cnblogs.com/mengdie/p/4477026.html
