which  whoami
env
echo $PATH
export PS1='$(whoami)@$(hostname):$(pwd)'
export PS1='$(whoami) >'
PS1="$(pwd)>"

echo hello
echo $PWD
echo '$PWD'
echo pwd
echo `pwd`
echo $(pwd)


touch mkdir Project1FAKEsol
cd Project1FAKEsol
touch fackecode.c
cd ..
ls

scp -r ProjectFAKEsol saika@alfven.physics.mu n.ca:
rsync -rtv ProjectFAKEsol saika@alfven.physics.mu n.ca:
rsync -аv ProjectFAKEsol saika@alfven.physics.mu n.ca:

cat > heights.dat
Ivan 179
Jay 181
Jade 168
Pacman 65
Jay 181
Jorel 201
Pacman 65
^D

sort heights.dat
sort -n -k 2 heights.dat
sort -rn -k 2 heights.dat
uniq heights.dat

sort heights.dat | uniq
sort heights.dat | uniq | wc -l

cut -d " " -f 1 heights.dat
cut -d " " -f 2 heights.dat

sort heights.dat | uniq | cut -d " " -f 1
sort heights.dat | uniq | awk '{print $1}'
sort heights.dat | uniq | awk '{print $2}'

awk '/Pacman/{print $0}' heights.dat
awk '/Pacman/{print $2}' heights.dat

man sed
sed 's/Pacman/PAMCMAN/' heights.dat

man grep
grep Pacman heights.dat
grep -n Pacman heights.dat
grep -n PACMAN heights.dat
grep -in PACMAN heights.dat

grep -e "J" heights.dat
grep -e "i" heights.dat
grep -e "man" heights.dat
grep -e "^J" heights.dat
grep -E "I|J" heights.dat
grep -e "[IJ]" heights.dat
grep -e "^.o" heights.dat
grep -e "^[IP]" heights.dat

sed -e 's/\(Jay[[:space:]]*\)\(.*\)/\1888/' heights.dat

cd ../PROJECTS/PROJECT1/
ls
ls weights.dat_*
ls weights.dat_?
ls weights.dat_[12]*
ls weights.dat_[0-9]
history
!466

cp run_integrate2.sh run_integrate3.sh
chmod +x run_integrate3.sh
vi run_integrate3.sh

for n in $@
do

f=weights.dat_$n

(./integrate | tail -n 1) << !
$f
$n
!

done


ls *.agr | while read f
do
  echo $f
  b=`basename $f .agr`
  xmgrace -printfile ${b}.eps  -hdevice EPS  -hardcopy $f
  epstopdf ${b}.eps
done

in vi
:%s/STRING/REPLACEMENT/g