[user02@FC4 Lesson04]$ cat -n cerr.c
1 #include <stdio.h>
2
3 int main(void)
4 {
5 fprintf(stderr, "This Message Always Appears\n");
6
7 return 0;
8 }
[user02@FC4 Lesson04]$ gcc -o cerr cerr.c[user02@FC4 Lesson04]$ ./cerr
This Message Always Appears
[user02@FC4 Lesson04]$ ./cerr > test.txt
This Message Always Appears
[user02@FC4 Lesson04]$ ./cerr 2> cerr.txt
[user02@FC4 Lesson04]$ cat cerr.txt
This Message Always Appears
lesson_4_cerr.c, Rev. 1, Last changed on 2005-08-08 04:28, 307 page hits