I accidentally typed perl v in the terminal and saw a strange message. I tried every letter and found that they all say something like Can't open perl script "z": No such file or directory except four special letters do something different does anyone know why? 
perl a 
(nothing happens)

perl b 
(nothing happens)

perl c
Unrecognized character \xCF; marked by <-- HERE after <-- HERE near co
+lumn 1 at c line 1.

perl v
Number found where operator expected (Do you need to predeclare "perl"
+?) at v line 2, near "perl 5"
syntax error at v line 2, near "perl 5"
Execution of v aborted due to compilation errors.

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In reply to perl v by Anonymous Monk

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