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UNIX for Dummies Questions & Answers
/dev/null
Post 70965 by sam71 on Thursday 5th of May 2005 09:02:59 PM
05-05-2005
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1. UNIX for Dummies Questions & Answers
Maybe it's an stupid question but remeber... I'm Junior..
I use command line to run programs, and some of them gives a lot of information when, for example, you open a window or other actions. That's really bad because my terminal gets full of unwanted messages, so I use "bin file & >/dev/null"... (1 Reply)
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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. (4 Replies)
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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 (2 Replies)
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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 ??
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Hi expert,
May I know what is the difference between below cron tab entry ?
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0,12 * * * * /abc/myscript.sh (7 Replies)
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when do you use the path /dev/null (3 Replies)
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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 (3 Replies)
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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:... (5 Replies)
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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
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Friends have the following problem
a search may not find anything which would correct example:
ls -ltr *prueba.txt | nawk '{ print $9 }' > Procesar.dat 2>/dev/null
When he finds nothing gives me the following error
ls: prueba.txt: No such file or directory
because 2> / dev / null... (4 Replies)
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LEARN ABOUT SUNOS
sock2path
sock2path(4) File Formats sock2path(4) NAME
sock2path - file that maps sockets to transport providers SYNOPSIS
/etc/sock2path DESCRIPTION
The socket mapping file, /etc/sock2path, is a system file that contains the mappings between the socket(3SOCKET) call parameters and the transport provider driver. Its format is described on the soconfig(1M) manual page. The init(1M) utility uses the soconfig utility with the sock2path file during the booting sequence. EXAMPLES
Example 1: A Sample sock2path File The following is a sample sock2path file: # Family Type Protocol Path 2 2 0 /dev/tcp 2 2 6 /dev/tcp 26 2 0 /dev/tcp6 26 2 6 /dev/tcp6 2 1 0 /dev/udp 2 1 17 /dev/udp 26 1 0 /dev/udp6 26 1 17 /dev/udp6 1 2 0 /dev/ticotsord 1 6 0 /dev/ticotsord 1 1 0 /dev/ticlts 2 4 0 /dev/rawip 26 4 0 /dev/rawip6 24 4 0 /dev/rts 27 4 2 /dev/keysock SEE ALSO
soconfig(1M), socket(3SOCKET) Network Interfaces Programmer's Guide SunOS 5.10 10 Nov 1999 sock2path(4)