05-05-2005
/dev/null
Hi ,
I am importing some table from /dev/null i dont understand what is /dev/null
Sorry i am new to UNIX
sam71
10 More Discussions You Might Find Interesting
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)
Discussion started by: piltrafa
1 Replies
2. UNIX for Advanced & Expert Users
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)
Discussion started by: big123456
4 Replies
3. Shell Programming and Scripting
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)
Discussion started by: rrs
2 Replies
4. Solaris
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 ?? (12 Replies)
Discussion started by: civic2005
12 Replies
5. Shell Programming and Scripting
Hi expert,
May I know what is the difference between below cron tab entry ?
0,12 * * * * /abc/myscript.sh > /dev/null 2>&1
0,12 * * * * /abc/myscript.sh (7 Replies)
Discussion started by: olaris
7 Replies
6. Shell Programming and Scripting
when do you use the path /dev/null (3 Replies)
Discussion started by: webmunkey23
3 Replies
7. UNIX for Dummies Questions & Answers
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)
Discussion started by: glev2005
3 Replies
8. Shell Programming and Scripting
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)
Discussion started by: jbmorrisonjr
5 Replies
9. Shell Programming and Scripting
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:... (2 Replies)
Discussion started by: bbbngowc
2 Replies
10. Shell Programming and Scripting
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)
Discussion started by: tricampeon81
4 Replies
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)