to drawn pictures
gimp
inkscape
(more info in inkscape.pdf at 
HOME/HOME_PUSH/Software/)
tgif (simpler)

to see pictures
gqview *png
to display figrues

sqiv -s -d *png
to display movies

to make movie use:
mencoder "mf://*.png" -mf fps=25 -o movie.avi -ovc lavc -lavcopts vcodec=mpeg4


\rule[height]{length}{width} makes a
  rectangular blob of ink length long, width
  wide, with optional height above baseline.

Use it to draw lines 

psnup -2 handout.ps handoutOnOnePage.ps
to print 2 pages on one page
even better to do it with pdf files as:
pdfnup --nup 2x1 1.pdf
you get a new file: 1-2x1.pdf
If you need 3 (e.g. slides) under each other use:
pdfnup --nup 1x3 1.pdf
	

You may try to scale an ps pages before printing, sometimes it helps for books.
For scaling 1.3 times with horizontal shift 3cm and vertical 1cm use:

pstops '1:0@1.3(-1cm,-3cm)' Original.ps Scaled.ps

or use this for larger scaling:

pstops '1:0@1.4(-1cm,-7cm)' Original.ps Scaled.ps

to see cpu load:

all cpu

To Convert pictures:
file1.tif -filter Sinc -resize 800% file2.tif

the complete list of filters si in figure:
FiltersConvert.jpg   

To join to pdf files:

gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=finished.pdf file1.pdf file2.pdf

you can do it with ps 

gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=finished.pdf file1.ps file2.ps

or (works in US)

joinpdf myFile.pdf file1.pdf file2.pdf ...
 (see also http://www.linux.com/feature/36815)

To replace new line in emacs 
M-x
query-replace
C-q C-j <enter>
C-q (here type probel) <enter>

Other method:
- Select the area that you want to change
- C-u
- M-| (this will run a shell command on the selected region0
- tr '\n' ' ' (or your equivalent perl one liner)

to syncronize on kira:
rsync -avzu --rsh="ssh" panfilov@alive.bio.uu.nl:Newton09 .
Will copy new files from directory Newton09  on alive to Netwon09 on local host 
rsync -avzu ~/Figures/ Figures
 will copy new files  from ~/Figures/ to Figures/  

IP of alive
131.211.52.145

Good mediaplayer xine 
Good mediaplayer totem


to open djv files use: kdvi filename

to send tb-announce go to complex and /usr/jankees/tb-announce and then type tn-announce

evince - is a prog for pdf display
 ssh alive.bio.uu.nl -D 1080 to deriect mozillan or etc

to change ownship:
login as superuser:
sudo su
then type:
chown -R panfilov:panfilov directoryYouWanrToChange