A is for awk, which runs like a snail
B is for biff, which reads all your mail
C is for cc, as hackers recall
D is for dd, the command that does all
E is for emacs, which rebinds your keys
F is for fsck, which rebuilds your trees
G is for grep, a clever detective
H is for halt, which may seem defective
I is for indent, which rarely amuses
J is for join, which nobody uses
K is for kill, which makes you the boss
L is for lex, which is missing from DOS
M is for more, from which less was begot
N is for nice, which really is not
O is for od, which prints out things nice
P is for passwd, which reads in strings twice
Q is for quota, a Berkeley-type fable
R is for ranlib, for sorting a table
S is for spell, which attempts to belittle
T is for true, which does very little
U is for uniq, which is used after sort
V is for vi, which is hard to abort
W is for whoami, which tells you your name
X is, well, X, of dubious fame
Y is for yes, which makes an impression, and
Z is for zcat, which handles compression
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