linux
unix for idiots by an idiot...
Useful unix commands
with the aim of being useful and concise
Shell scripting in bash
again, useful and concise. These are the things I quite often forget myself, so writing them here helps me remember exactly
how
you do sums in shell scripts and so on.
Redirecting standard error and output in bash
useful pages elsewhere that i look at occasionally...
find
from learning unix by example, quite a handy site.
vim regular expressions 101
very useful reference.
gnuplot tips - japanese site with an english translation
and the best gnuplot help page i have found.