$ cat ~/.bash_history | cut -f 1 -d " " | sort | uniq

gistfile1.txt

ack
bundle
cat
cd
cd-
ceedling
cp
curl
diff
find
gem
ghci
git
grep
gut
k
kill
ll
ln
ls
man
memtest
mkdir
mv
mvim
open
patch
ping
pry
ps
pwd
rake
rm
ruby
script
sh
sqlite3
ssh
sudo
unzip
vi
vim
wget
which

$ cat ~/.bash_history | cut -f 1 -d " " | sort | uniq -c | sort -rn
 154 git
  62 cd
  52 rake
  32 ls
  31 vi
  21 ack
   9 ssh
   9 find
   8 vim
   8 rm
   7 man
   6 open
   6 memtest
   6 diff
   6 cat
   5 sudo
   5 pwd
   5 pry
   5 mvim
   5 grep
   4 sh
   4 ln
   3 which
   3 wget
   3 unzip
   3 patch
   3 mv
   3 mkdir
   3 ll
   3 ghci
   3 gem
   2 sqlite3
   2 script
   2 ps
   2 kill
   2 ceedling
   2 cd-
   1 ruby
   1 ping
   1 k
   1 gut
   1 curl
   1 cp
   1 bundle