gistfile1.rb

pry(main)> my_array = [1, 2, 3, 4, 5]
=> [1, 2, 3, 4, 5]
pry(main)> ls
self.methods: include  private  public  to_s
locals: _  _dir_  _ex_  _file_  _in_  _out_  _pry_  my_array
pry(main)> cd my_array
pry(#<Array>):1> ls
Enumerable#methods: all?  any?  chunk  collect_concat  detect  each_cons  each_entry  each_slice  each_with_index  each_with_object  
  entries  find  find_all  flat_map  grep  group_by  inject  max  max_by  member?  min  min_by  minmax  minmax_by  none?  one?  
  partition  reduce  slice_before  sort_by
Array#methods: &  *  +  -  <<  <=>  ==  []  []=  assoc  at  clear  collect  collect!  combination  compact  compact!  concat  count  
  cycle  delete  delete_at  delete_if  drop  drop_while  each  each_index  empty?  eql?  fetch  fill  find_index  first  flatten  
  flatten!  frozen?  hash  include?  index  insert  inspect  join  keep_if  last  length  map  map!  pack  permutation  place  pop  
  pretty_print  pretty_print_cycle  product  push  rassoc  reject  reject!  repeated_combination  repeated_permutation  replace  
  reverse  reverse!  reverse_each  rindex  rotate  rotate!  sample  select  select!  shelljoin  shift  shuffle  shuffle!  size  slice  
  slice!  sort  sort!  sort_by!  take  take_while  to_a  to_ary  to_s  transpose  uniq  uniq!  unshift  values_at  zip  |
self.methods: __pry__
locals: _  _dir_  _ex_  _file_  _in_  _out_  _pry_
pry(#<Array>):1> cd ..
pry(main)>