To test the path theory, try specifying the full path to "ls".
Also check whether "ls" has been aliased to a clever script which makes "ls" appear faulty sometimes.
hi there i'm a new bie
just got few simple questions to ask.
I got expert in windows configuration but totally new to unix environment . I want to make sure a com port (com1) is working, so I connect a 9-pin cable (CB9) for both PC using Unix environment (unix to unix).
The question are (1)... (1 Reply)
hi all,
got a question about grep, ive written a script (Bourne) and i'm using grep -i to search for a file and return the records that i'm looking for. This all works fine, but, i was wondering how i can get an error message if that word isn't in the file.
E.G.
the user enters: tree
and if... (2 Replies)
Okay here is a DOS comparison. When I search for a file in DOS and I was not sure what directory it was in then I would put dir /s/o/p filename the s would tell it to look in every directory including subs, the o would sort it alphabetically and the p would limit the display to one page at a... (1 Reply)
I tried looking for the answer online and came up with only a few semi-answers as to why file and directory names are case sensitive in Unix. Right off the bat, I'll say this doesn't bother me. But I run into tons of Windows and OpenVMS admins in my day job who go batty when they have to deal... (3 Replies)
I recently went in for a job interview and the guy asked me what I knew about Unix. I told him not much since I haven't worked with it in a few years. He then asked me the following question: What Unix or Linux shell command will tell you the names of all files in the current directory, along... (2 Replies)
Hello there.
I have a question regarding the ioscan commnad.
When you execute the line ioscan -fnC processor it outputs a list of all processors in the machine.
Does this list displays only physical CPUs or does it displays each core?
For example, if i have a server with 1 Dual Core... (10 Replies)
I'm new to Unix and I'm looking for some assistance. We have 20 different accounts we must login to every day. Logging in has become quite the chore and most nights, we have to log out. I'm looking for a way to simply copy and paste the commands into each window to make things easier.
I have been... (2 Replies)
I am going through the Unix Made Easy second edition book by John Muster. So far it's been very informative and I can tell it may be a bit out of date.
In one of the exercises it talks about the "sort" command and using it to sort column's of data etc. The "sort" command has changed a bit and... (1 Reply)
Hi Guys,
I am new on the scripting world and would like ask for help if you can.
Here are my questions below:-
What Unix command(s) would you put in a shell script to read an ASCII comma-delimited input file and validate that field 5 only contains numeric characters?
What Unix command(s)... (5 Replies)
Discussion started by: mahiwaga
5 Replies
LEARN ABOUT REDHAT
net::dns::question
Net::DNS::Question(3) User Contributed Perl Documentation Net::DNS::Question(3)NAME
Net::DNS::Question - DNS question class
SYNOPSIS
"use Net::DNS::Question"
DESCRIPTION
A "Net::DNS::Question" object represents a record in the question section of a DNS packet.
METHODS
new
$question = Net::DNS::Question->new("example.com", "MX", "IN");
Creates a question object from the domain, type, and class passed as arguments.
qname, zname
print "qname = ", $question->qname, "
";
print "zname = ", $question->zname, "
";
Returns the domain name. In dynamic update packets, this field is known as "zname" and refers to the zone name.
qtype, ztype
print "qtype = ", $question->qtype, "
";
print "ztype = ", $question->ztype, "
";
Returns the record type. In dymamic update packets, this field is known as "ztype" and refers to the zone type (must be SOA).
qclass, zclass
print "qclass = ", $question->qclass, "
";
print "zclass = ", $question->zclass, "
";
Returns the record class. In dynamic update packets, this field is known as "zclass" and refers to the zone's class.
print
$question->print;
Prints the question record on the standard output.
string
print $qr->string, "
";
Returns a string representation of the question record.
data
$qdata = $question->data($packet, $offset);
Returns the question record in binary format suitable for inclusion in a DNS packet.
Arguments are a "Net::DNS::Packet" object and the offset within that packet's data where the "Net::DNS::Question" record is to be stored.
This information is necessary for using compressed domain names.
COPYRIGHT
Copyright (c) 1997-2002 Michael Fuhr. All rights reserved. This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
SEE ALSO perl(1), Net::DNS, Net::DNS::Resolver, Net::DNS::Packet, Net::DNS::Update, Net::DNS::Header, Net::DNS::RR, RFC 1035 Section 4.1.2
perl v5.8.0 2002-10-12 Net::DNS::Question(3)