Add to your .bashrc to have mark/jump functionality with autocomplete

markjump.sh

##############################################################################
# mark/jump support + completion
# un/mark name : bookmark a directory or remove one (unmark)
# jump name : jump to directory
# marks : show all bookmarks
export MARKPATH=$HOME/bin/.marks
function jump {
    cd -P $MARKPATH/$1 2>/dev/null || echo "No such mark: $1"
}
function mark {
    mkdir -p $MARKPATH; ln -s $(pwd) $MARKPATH/$1
}
function unmark {
    rm -i $MARKPATH/$1
}
function marks {
    ls -l $MARKPATH | sed 's/  / /g' | cut -d' ' -f9- | sed 's/ -/\t-/g' && echo
}
_completemarks() {
  local curw=${COMP_WORDS[COMP_CWORD]}
  local wordlist=$(find $MARKPATH -type l -printf "%f\n")
  COMPREPLY=($(compgen -W '${wordlist[@]}' -- "$curw"))
  return 0
}

complete -F _completemarks jump unmark