Use open syscall to write and create a file ,there's no attributes with the file. fedora16 gcc-4.6.3

```
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

int main()
{
    char *  str= "helloworld";
    int fd = open("test.db",O_WRONLY|O_CREAT|O_TRUNC|O_APPEND);

    write(fd,str,10);

    close(fd);
    return 0;
}

```

ll test.db

> 
> ----------. 1 jiamo jiamo 14 Apr 17 11:34 test.db
> 
> 
> 

While it don't create file with the default file attributes such like `touch test.db`

umask : 0002

if drop the O\_TRUNC
`int fd = open("test1.db",O_WRONLY|O_CREAT|O_APPEND)`
the file attributs is :

> 
> ----rwx---. 1 jiamo jiamo 14 Apr 17 12:29 test1.db
> 
> 
>