to change into a different directory:

& ch<esc>ange <to directory> subdir
 or
& ch subdir
 or
& chdir subdir

to change back to your original directory from a subdirectory:

& ch ..
 or
& chdir ..

to change back to your login directory:

& ch $=
 or
& ch<esc>ange <to directory> $=<esc>/fs/a/indp/smith

to find out what directory you are in now:

& ch
/fs/a/indp/smith

happy diskwalking...
