I want to create a mail server. But I need usernames to be more
than eight characters long. Otherwise I may not be able to give
evryone a desirable username.I there a way to do this in bsdi?
Thanks
by Jane Kell » Wed, 10 Dec 1997 04:00:00
I want to create a mail server. But I need usernames to be more
than eight characters long. Otherwise I may not be able to give
evryone a desirable username.I there a way to do this in bsdi?
Thanks
by Dave Carriga » Thu, 11 Dec 1997 04:00:00
Jane> I want to create a mail server. But I need usernames to be more
Jane> than eight characters long. Otherwise I may not be able to give
Jane> evryone a desirable username.I there a way to do this in bsdi?
There's a difference between usernames and email addresses. Usernames
are generally limited to 8 characters, and there is a lot of software
will still break even if the OS has changed that limitation.
OTOH, email addresses can be as long as is practical. Sendmail 8.8 has
many features to assist in mapping the email addresses to usernames
and vice versa.
--
Dave Carrigan | Yow! - if it GLISTENS, gobble it!!
Unix Specialist, Technology Services |
Interprovincial Pipe Line Inc. |
Edmonton, Alberta, Canada |
1. times call: user, system, child user, child system
This is working. i have 2 questions regarding the code below:
1. What is the definition of child user and system time as opposed to
the system time of the process itself? i.e. since it is one (1) long,
is it a total of all children? Please refer me to documentation if i
missed it in the faqs.
2. as this is similar to the unix times/timex commands, i need to
process argv[]. of course i can process argv[] any way i please, but
is there a standard way to run through these arguments?
code follows
/* vmtimes.c
*
* 2001-12-24
*
* uses the following system call:
* long times( struct tms *ptr ) ;
* uses the following structure:
* struct tms {
* time_t tms_utime; / * user time * /
* time_t tms_stime; / * system time * /
* time_t tms_cutime; / * user time, children * /
* time_t tms_cstime; / * system time, children * /
* };
*
* clock ticks per second defined in sys/param.h constant HZ
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/times.h>
main (argc, argv)
int argc;
char *argv[]; {
struct tms tms_local;
times( &tms_local);
printf("usr: %d system: %d chld(usr): %d chld(sys): %d\n",
tms_local.tms_utime,
tms_local.tms_stime,
tms_local.tms_cutime,
tms_local.tms_cstime);
exit(0);
}
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