Need Erlang help for novice.

[akhilesh maewal]

I have downloaded the latest version of Erlang. When I
start the shell and give some commands, the following
lines describe what I get.
-------------------------------------------------------
Erlang (BEAM) emulator version 5.0.1 [threads]

Eshell V5.0.1  (abort with ^G)
1> a=2.
** exited: {{badmatch,2},[{erl_eval,expr,3}]} **
2> a="testing".
** exited: {{badmatch,"testing"},[{erl_eval,expr,3}]}
**
3> 
--------------------------------------------------

Could any one help me understand why I am getting
these errors?

Thank you very much.

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