11-03-2008
$? means?
Hi All,
Can you please explain wats the meaning of this
$?
in unix
Thanks
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LEARN ABOUT DEBIAN
sendemail
SendEmail(1) User Commands SendEmail(1)
NAME
SendEmail - Lightweight, command line SMTP email client
SYNOPSIS
SendEmail -f ADDRESS [options]
OPTIONS
-f ADDRESS
from (sender) email address
* At least one recipient required via -t, -cc, or -bcc * Message body required via -m, STDIN, or -o message-file=FILE
Common:
-t ADDRESS [ADDR ...]
to email address(es)
-u SUBJECT
message subject
-m MESSAGE
message body
-s SERVER[:PORT]
smtp mail relay, default is localhost:25
Optional:
-a FILE [FILE ...] file attachment(s)
-cc ADDRESS [ADDR ...] cc email address(es)
-bcc ADDRESS [ADDR ...]
bcc email address(es)
[32;1mParanormal:[m
-xu USERNAME
authentication user (for SMTP authentication)
-xp PASSWORD
authentication password (for SMTP authentication)
-l LOGFILE log to the specified file
-v verbosity, use multiple times for greater effect
-q be quiet (no stdout output)
-o NAME=VALUE
see extended help topic "misc" for details
Help:
--help TOPIC
The following extended help topics are available:
addressing
explain addressing and related options
message
explain message body input and related options
misc explain -xu, -xp, and others
networking
explain -s, etc
output explain logging and other output options
REPORTING BUGS
Report bugs to <http://bugs.debian.org/sendemail>
AUTHOR
sendemail was written by Brandon Zehm <caspian@dotconf.net> .
This manual page was written by Brandon Zehm and improved by Alejandro Garrido Mota <garridomota@gmail.com>, for the Debian project (and
may be used by others).
sendEmail September 2010 SendEmail(1)