for linux and BSD users interested in Unix system V/bsd


 
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Operating Systems BSD for linux and BSD users interested in Unix system V/bsd
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Old 12-04-2004
Java for linux and BSD users interested in Unix system V/bsd Documentation

for all you unix/linux interested heres an online book for free that covers the basics of BSD SysV Unix commands and applications . giving the average linux user a perspective on the differences in context of the two operating systems and for BSD users covers material as a refernce guide.

Name: Illustrated Unix SystemV/BSD Author: Robert Felps
http://duplex.hypermart.net/books/bsd/index.html
moxxx68

Last edited by moxxx68; 12-04-2004 at 01:47 AM..
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WALL(1) 							   User Commands							   WALL(1)

NAME
wall -- write a message to users SYNOPSIS
wall [-n] [-t TIMEOUT] [file] DESCRIPTION
Wall displays the contents of file or, by default, its standard input, on the terminals of all currently logged in users. The command will cut over 79 character long lines to new lines. Short lines are white space padded to have 79 characters. The command will always put carriage return and new line at the end of each line. Only the super-user can write on the terminals of users who have chosen to deny messages or are using a program which automatically denies messages. Reading from a file is refused when the invoker is not superuser and the program is suid or sgid. OPTIONS
-n, --nobanner Supress banner -t, --timeout TIMEOUT Write timeout to terminals in seconds. Argument must be positive integer. Default value is 300 seconds, which is a legacy from time when people ran terminals over modem lines. -V, --version Output version and exit. -h, --help Output help and exit. SEE ALSO
mesg(1), talk(1), write(1), shutdown(8) HISTORY
A wall command appeared in Version 7 AT&T UNIX. AVAILABILITY
The wall command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. util-linux April 2011 util-linux