Hi:

I am using linux and trying to format logs. I have grepped for stuff like invalid users and /or error. However, the way the logs are formatted, sometimes the full error is not on the line, ie. it is on the next line. If I grep something, like:
cat /var/spool/mail/* |grep -i session |awk '{print $5}'
The information I want is in the log on the next line. Is there a way to get the following lines anyone can think of? Thanks so much for your help in advance.
Henry