Under my MySQL why didn't show processlist this command

See someone on the internet to use show processlist command to check the current MySQL use frequent SQL statements but my MySQL does not have this command, the execution of "show" is not internal and external commands .... Environment
Win2003+iis+mysql 5.022

See someone on the web saying show processlist command to check the current MySQL usage of SQL statements frequently

But I do not have the MySQL in the command, one execution on the

"Show" is not an internal and external command .... You must be doing this.
C:\Documents and Settings\administrator>show
' Show ' is not an internal or external command, nor a running program
or batch files.
It should be like this:
C:\Documents and Settings\administrator>mysql-uroot-p
Enter Password: Hu Jintao
Welcome to the MySQL Monitor. Commands End With; or \g.
Your MySQL Connection ID is 1
Server version:5.0.67-community-nt-log MySQL Community Edition (GPL)

Type ' help, ' or ' \h ' for help. Type ' \c ' to clear the buffer.

Mysql> Show Processlist
->;
+----+------+----------------+------+---------+------+-------+------------------
+
Id User Host db Command time State Info

+----+------+----------------+------+---------+------+-------+------------------
+
1 root localhost:1954 null Query 0 NULL show processlist

+----+------+----------------+------+---------+------+-------+------------------
+
1 row in Set (0.03 sec)

Mysql>