[jbecker@deadlands /]$ echo $CDPATH /home/jbecker [jbecker@deadlands /]$ pwd / [jbecker@deadlands /]$ file /home/jbecker/pilot /home/jbecker/pilot/: directory [jbecker@deadlands /]$ cd pilot /home/jbecker/pilot [jbecker@deadlands pilot]$ pwd /home/jbecker/pilot #### When bash is started non-interactively, to run a shell script, for example, it looks for the variable BASH_ENV in the environment, expands its value if it appears there, and uses the expanded value as the name of a file to read and execute. Bash behaves as if the following command were executed: if [ -n "$BASH_ENV" ]; then . "$BASH_ENV"; fi but the value of the PATH variable is not used to search for the file name.