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UNIX for Dummies Questions & Answers
cat /dev/null
Post 302177152 by freakydancer on Thursday 20th of March 2008 07:41:08 AM
03-20-2008
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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 ,
I am importing some table from /dev/null i dont understand what is /dev/null
Sorry i am new to UNIX
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Hi,
Q1-What does
nroff -ms > /dev/null
Q2- What does mean -A under STAT column :
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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
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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
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Hi, Anyone can help
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Hi expert,
May I know what is the difference between below cron tab entry ?
0,12 * * * * /abc/myscript.sh > /dev/null 2>&1
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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.
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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 "&"
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I apologize if this question has been answered else where or is too elementary.
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if ; then
CAS_SRC_LOG="/var/log/cas_src.log 2>&1"
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LEARN ABOUT LINUX
pure-statsdecode
pure-statsdecode(8) Pure-FTPd pure-statsdecode(8) NAME
pure-statsdecode - Show human-readable dates from a "stats" logfile SYNTAX
pure-statsdecode filename pure-statsdecode - DESCRIPTION
This program decodes Pure-FTPd's "stats" log files and converts timestamps into human-readable dates. OPTIONS
- means to read the standard input. filename is a log file produced with pure-ftpd -O ftpstats:/path/to/logfile EXAMPLES
To run this program the standard way type: pure-statsdecode /var/log/pureftpd.log > /tmp/pureftpd.humanlog Alternativly you can run it as: cat /var/log/pureftpd.log | pure-statsdecode - | gzip --best > /tmp/pureftpd.humanlog.gz AUTHORS
Frank DENIS <j at pureftpd dot org> SEE ALSO
ftp(1), pure-ftpd(8) pure-ftpwho(8) pure-mrtginfo(8) pure-uploadscript(8) pure-statsdecode(8) pure-pw(8) pure-quotacheck(8) pure-authd(8) RFC 959, RFC 2228, RFC 2389 and RFC 2428. Pure-FTPd team 1.0.36 pure-statsdecode(8)