mv files to /dev/null Post: 9778

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1. UNIX for Dummies Questions & Answers

>/dev/null

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"...

2. UNIX for Dummies Questions & Answers

/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

3. 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.

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. Shell Programming and Scripting

/dev/null what is the use of it?

when do you use the path /dev/null

6. 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

7. 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:...

8. 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:...

9. UNIX for Dummies Questions & Answers

Make /dev/null all the files

How can I make /dev/null all the 8640 files that I am getting from this command. find . $ ! -name . -prune $ -type f -name "EXPORT_v1x0*" | awk -F'_' '$6<20120812' And then delete everything. If I am using this command to delete it, I am getting Disk Quota Exceeded Exception. find ....

10. Shell Programming and Scripting

2>/dev/null

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...

LEARN ABOUT OPENSOLARIS

chroot

chroot(1M)						  System Administration Commands						chroot(1M)

NAME

       chroot - change root directory for a command

SYNOPSIS

       /usr/sbin/chroot newroot command

DESCRIPTION

       The  chroot  utility causes command to be executed relative to newroot. The meaning of any initial slashes (/) in the path names is changed
       to newroot for command and any of its child processes. Upon execution, the initial working directory is newroot.

       Notice that redirecting the output of command to a file,

	 chroot newroot command >x

       will create the file x relative to the original root of command, not the new one.

       The new root path name is always relative to the current root. Even if a chroot is currently in effect, the newroot argument is relative to
       the current root of the running process.

       This command can be run only by the super-user.

RETURN VALUES

       The exit status of chroot is the return value of command.

EXAMPLES

       Example 1 Using the chroot Utility

       The  chroot  utility  provides an easy way to extract tar files (see tar(1)) written with absolute filenames to a different location. It is
       necessary to copy the shared libraries used by tar (see ldd(1)) to the newroot filesystem.

	 example# mkdir /tmp/lib; cd /lib
	 example# cp ld.so.1 libc.so.1 libcmd.so.1 libdl.so.1 
		  libsec.so.1 /tmp/lib
	 example# cp /usr/bin/tar /tmp
	 example# dd if=/dev/rmt/0 | chroot /tmp tar xvf -

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cd(1), tar(1), chroot(2), ttyname(3C), attributes(5)

NOTES

       Exercise extreme caution when referencing device files in the new root file system.

       References by routines such as ttyname(3C) to stdin, stdout, and stderr will find that the device associated with the  file  descriptor	is
       unknown after chroot is run.

SunOS 5.11							    15 Dec 2003 							chroot(1M)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

>/dev/null

Discussion started by: piltrafa

2. UNIX for Dummies Questions & Answers

/dev/null

Discussion started by: sam71

3. UNIX for Advanced & Expert Users

Q1 :/dev/null Q2 -A

Discussion started by: big123456

4. Solaris

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

Discussion started by: civic2005