Sponsored Content
Top Forums Shell Programming and Scripting Use 3 descriptors with ssh command Post 302637717 by khalidou13 on Wednesday 9th of May 2012 07:51:45 AM
Old 05-09-2012
Thank you for your reply.

No errupdate is a command.
And the other are parameters to give to this command.
With enter to validate parameter and at the end CTRL D CTRL D to quit
 

10 More Discussions You Might Find Interesting

1. Programming

File Descriptors

Hi, I have written a daemon process, to perform certain operations in the background. For this I have to close, the open file descriptors, Does anybody know how to find out the number of open file descriptors ? Thanks in Advance, Sheetal (2 Replies)
Discussion started by: s_chordia
2 Replies

2. UNIX for Advanced & Expert Users

File Descriptors

Hello all, A few questions on file descriptors ... scenario : Sun Ultra 30 with Sun OS 5.5.1 , E250 with Solaris 2.6 In one of my servers, the file descriptor status from the soft limit and hard limits are 64 and 1024 respectively for root user. Is the soft limit (64) represents the... (3 Replies)
Discussion started by: shibz
3 Replies

3. UNIX for Dummies Questions & Answers

file descriptors

i m trying to learn processes in unix and i've been reading this but i don't quite get it. its regarding file descriptors. : each is a part of file pointers, they point to another area. indexes into an Operating system maintained table called "file descriptor table". one table per process. may... (3 Replies)
Discussion started by: a25khan
3 Replies

4. UNIX for Dummies Questions & Answers

exec command and field descriptors..

according to the many sources the exec command other than its use in find and escaping the shell, has another definitive use.. which I am having a hard time understanding. according to many resources and info pages that I have read I can use the exec command with a file descriptor.. such as exec... (5 Replies)
Discussion started by: moxxx68
5 Replies

5. Programming

Sockets and File descriptors

I am in a Systems programming class this semester, and our current project is to write a program utilizing sockets and fork. For the project, I decided to make my own instant messaging program. I have the code completed, but I have a problem that keeps old clients from communicating with new... (3 Replies)
Discussion started by: gstlouis
3 Replies

6. Shell Programming and Scripting

Help with exec command and file descriptors??

im having trouble with the comprehending the exec command and the use of file descriptors. given: #!/bin/sh exec 4>&1 exec 1>&2 exec 2>&4 exec 4>&- echo Hello would the standard output of this script be sent to STDOUT, STDERR or neither and why??? thanks for the help. (1 Reply)
Discussion started by: rfourn
1 Replies

7. Shell Programming and Scripting

Help with exec command and file descriptors II

Need to close files which descriptor number are larger than 9 in ksh. 'exec 10>&-' fails with 'ksh: 10: not found'. How do you specify file descriptors which occupies two or more digits in ksh script? Thanks, Masaki (2 Replies)
Discussion started by: masaki
2 Replies

8. UNIX for Dummies Questions & Answers

Semaphores and File Descriptors

What is the difference between a file descriptor and a semaphore? My basic understanding is: - a file descriptor is a small positive integer that the system uses instead of the file name to identify an open file or socket. - a semaphore is a variable with a value that indicates the... (1 Reply)
Discussion started by: Mr_Webster
1 Replies

9. Shell Programming and Scripting

Questions about file descriptors

Hi, I'm playing with KSH I entered following command in terminal { echo "stdout" >&1; echo "stderr" >&2; } > out And I get only stoud in a new file out. My question is: Where did my stderr vanish ? (5 Replies)
Discussion started by: solaris_user
5 Replies

10. Shell Programming and Scripting

Execute ssh command with additional terminal command to any remote user not working script

Hello i am having an issue with bash script and this is the code now=$(cat hosts1.txt | awk '{print $2;}') while read n ;do ssh root@$now 'useradd test1; echo -e "test1\ntest1" | passwd test1 && echo "test1 ALL=(ALL:ALL) ALL" >> /etc/sudoers' When i execute only part with cat, it... (8 Replies)
Discussion started by: tomislav91
8 Replies
view(1) 						      General Commands Manual							   view(1)

Name
       view - displays a file using the vi commands

Syntax
       view [-t tag] [-r] [+command] [-l] [-wn] [-x] name...

Description
       The  command  displays a text file.  The command and the command run almost the same code except that in changes to a file are not allowed.
       It is possible to get to the command mode of from within both.

       The following is a list of some of the commands. See the vi Beginner's Reference Card and the "Introduction to Display Editing with vi"	in
       the Supplementary Documents, Volume 1: General User for more details that can be helpful for using

       Screen Control Commands

	    <CTRL/L>	   Reprints current screen.

	    <CTRL/Y>	   Exposes one more line at top of screen.

	    <CTRL/E>	   Exposes one more line at bottom of screen.

       Paging Commands

	    <CTRL/F>	   Pages forward one screen.

	    <CTRL/B>	   Pages back one screen.

	    <CTRL/D>	   Pages down half screen.

	    <CTRL/U>	   Pages up half screen.

       Cursor Positioning Commands

	    j		   Moves cursor down one line, same column.

	    k		   Moves cursor up one line, same column.

	    h		   Moves cursor back one character.

	    l		   Moves cursor forward one character.

	    <RETURN>	   Moves cursor to beginning of next line.

	    0		   Moves cursor to beginning of current line.

	    $		   Moves cursor to end of current line.

	    <SPACE>	   Moves cursor forward one character.

	    nG		   Moves cursor to beginning of line n.  Default is last line of file.

	    /pattern	   Moves cursor forward to next occurrence of pattern.

	    ?pattern	   Moves cursor backward to next occurrence of pattern.

	    n		   Repeats last / or ? pattern search.

       Exiting view

	    ZZ		   Exits

	    :q		   Quits session.

Options
       -t tag	 Specifies  a  list of tag files. The tag files are preceded by a backslash () and are separated by spaces. The tag option should
		 always be the first entry.

       +command  Tells the editor to begin by executing the specified command.	An example would be +/pattern that would search for a pattern.

       -l	 Sets the showmatch and lisp options for viewing LISP code..

       -r	 Retrieves the last saved version of the name'd file in the event of a system crash. If no file is  specified,	a  list  of  saved
		 files is produced.

       -wn	 Sets  the default window size to n.  This option is useful for starting in a small window on dialups.	The -x option is available
		 only if the Encryption layered product is installed.

       -x	 Causes to prompt for a key.  The key is used to encrypt and decrypt the contents of the file.	If the	file  has  been  encrypted
		 with one key, you must use the same key to decrypt the file.

See Also
       edit(1), ex(1), vi(1)
       The Little Gray Book: An ULTRIX Primer
       The Big Gray Book: The Next Step with ULTRIX
       "An Introduction to Display Editing with vi" in the Supplementary Documents, Volume 1: General User

																	   view(1)
All times are GMT -4. The time now is 12:47 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy