cp output /dev/null results in not a directory Post: 302318893

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1. UNIX for Advanced & Expert Users

Q1 :/dev/null Q2 -A

Hi, Q1-What does nroff -ms > /dev/null Q2- What does mean -A under STAT column : ps aux |head -20 UTIL PID %CPU %MEM SZ RSS TTY STAT STIME TIME COMMAND root 516 93,0 0,0 12 12 - A 04 nov 3906:51 wait Thank you.

2. Solaris

URGENT - setup port and dump all output to /dev/null or a file

Please help urgently. I need to setup up some sort of service on a solaris server on a port. I dont need it do anything special, anything that is sent to this port from an external server should be dump to /dev/null or a flat file.. Can you help urgently?

3. Shell Programming and Scripting

> /dev/null

hello all, In many shell scripts i found '> /dev/null' , i am not able to get this, will any one please explain why we are using this. thanks sudha

4. Solaris

What is /dev/tty /dev/null and /dev/console

Hi, Anyone can help My solaris 8 system has the following /dev/null , /dev/tty and /dev/console All permission are lrwxrwxrwx Can this be change to a non-world write ?? any impact ??

5. Ubuntu

tar not reading if output directed to /dev/null

I stumbled across a somewhat strange behavior of tar and find no explanation for it: i was testing a DVD for read errors and thought to simply tar the content and direct the output to /dev/null: tar -cvf - /my/mountpoint/*ts > /dev/null This way i expected the system to read the complete...

6. Shell Programming and Scripting

Error output of cat to /dev/null

Hello, I'm trying to send the error output of a 'cat' operation to /dev/null like this: cat /dirA/dirB/temp*.log > /dirA/dirB/final.log 2>/dev/null This works perfectly in a terminal, but not when placed in a script. If there are no files matching temp*.log the script outputs an error...

7. UNIX for Dummies Questions & Answers

/dev/null 2>&1 Versus /dev/null 2>1

How are these two different? They both prevent output and error from being displayed. I don't see the use of the "&" echo "hello" > /dev/null 2>&1 echo "hello" > /dev/null 2>1

8. Shell Programming and Scripting

Redirecting standard out to /dev/null goes to file "/dev/null" instead

I apologize if this question has been answered else where or is too elementary. I ran across a KSH script (long unimportant story) that does this: if ; then CAS_SRC_LOG="/var/log/cas_src.log 2>&1" else CAS_SRC_LOG="/dev/null 2>&1" fithen does this: /usr/bin/echo "heartbeat:...

9. Shell Programming and Scripting

redirect the audio output to /dev/null

I'm using an text-to-speech synthesis in a script, and I need to redirect it's output to /dev/null how can I do that ? And how to redirect the stream to his normal output then （sound card ) ? thankx

10. Shell Programming and Scripting

Help with /dev/null Please

Hello All and a Happy New year to yous guys. I'm running the below command on my AIX box and it keeps giving me the message that the file doesn't exist. I know the file don't exist, but I don't want to see the error. 2>/dev/null doesn't work. bash-3.00$ ls -l C* | wc -l 2>/dev/null ls:...

LEARN ABOUT DEBIAN

solarpowerlog

SOLARPOWERLOG(1)														  SOLARPOWERLOG(1)

NAME

       solarpowerlog - queries data from a photovoltaic inverter

SYNOPSIS

       solarpowerlog [options]

DESCRIPTION

       The program trackd and logd data from photovoltaic inverters, collect power data and store them.

OPTIONS

       The  program  follow the usual GNU command line syntax, with long options starting with two dashes (`-').  A summary of options is included
       below.

       -h, --help
	      Show summary of options.

       -v, --version
	      Show version of program.

       -b, --background
	      Runs the program in the background, detaching it from the console.

       -c, --conf filename
	      The configuration to be used. Default is solarpowerlog.conf, looked for in the current directory.

       --dumpcfg
	      Dump configuration structure, then exit

       --chdir arg
	      working directory for daemon (only used when running as a daemon). Defaults to /

       --stdout arg
	      redirect stdout to this file (only used when running as a daemon). Defaults to /dev/null

       --stderr arg
	      redirect stderr to this file (only used when running as a daemon). Defaults to /dev/null

       --pidfile arg
	      create a pidfile after the daemon has been started.  (only used when running as a daemon). Default: no pid file

SEE ALSO

       http://sourceforge.net/apps/mediawiki/solarpowerlog/index.php

								   June 16, 2009						  SOLARPOWERLOG(1)

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Q1 :/dev/null Q2 -A

Discussion started by: big123456

2. Solaris

URGENT - setup port and dump all output to /dev/null or a file

Discussion started by: frustrated1

3. Shell Programming and Scripting

> /dev/null

Discussion started by: rrs

4. Solaris

What is /dev/tty /dev/null and /dev/console

Discussion started by: civic2005