03-16-2011
Find out the System users
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1. The problem statement, all variables and given/known data:
I want to create a file called Allusers that contains the list of
currently logged on users and the total number of them.
(note: it should print, The Total is: , at the end of the Allusers file)
I have made the command, and when i perform it , it show me all the users and it print the total of them. But my problem that the command doesn't save the result in the Allusers file.
2. Relevant commands, code, scripts, algorithms:
who
sort
tee
cat
echo
cat
wc
3. The attempts at a solution (include all code and scripts):
who | sort -t: -k1 | tee All |cat; echo Total; cat All |wc -l; rm All > Allusers
4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
University of Newengland, Armidale, NSW, Australia
Dr.Paul Kwan, COMP170.
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LEARN ABOUT DEBIAN
blockdiag
BLOCKDIAG(1) General Commands Manual BLOCKDIAG(1)
NAME
blockdiag - generate block-diagram image file from spec-text file.
SYNOPSIS
blockdiag [options] file
DESCRIPTION
This manual page documents briefly the blockdiag commands.
blockdiag is a program that generate block-diagram image file from spec-text file.
OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is
included below. For a complete description, see the SEE ALSO.
--version
show program's version number and exit
-h, --help
Show summary of options
-a, --antialias
Pass diagram image to anti-alias filter
-c FILE, --config=FILE
read configurations from FILE
-o FILE
write diagram to FILE
-f FONT, --font=FONT
use FONT to draw diagram
--fontmap=FONT
use FONTMAP file to draw diagram
-s, --separate
Separate diagram images for each group
-T TYPE
Output diagram as TYPE format
--nodoctype
Do not output doctype definition tags (SVG only)
--no-transparency
do not make transparent background of diagram (PNG only)
SEE ALSO
The programs are documented fully by
http://tk0miya.bitbucket.org/blockdiag/build/html/index.html
AUTHOR
blockdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>
This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).
May 9, 2011 BLOCKDIAG(1)