#!/bin/bash
pwd= `pwd`
until [ $pwd = "/" ]
    do
        echo $pwd
        ls && cd .. && ls
        $pwd= `pwd`
    done

pwd=`pwd`

pwd=$(pwd)

TEST=`pwd`
echo $TEST

TEST=$(pwd)
echo $TEST

NUM_PROCS=$(ps -e | sed 1d | wc -l)

#!/bin/bash
until [ "$PWD" = "/" ]; do
  echo "$PWD"
  ls && cd .. && ls
done

DIR=$(pwd)
echo $DIR
while [ "$DIR" != "/" ]; do
    cd ..
    DIR=$(pwd)
    echo $DIR
done