make abackup using CMD

<div class="Section1"><p class="MsoNormal">Dears,<p class="MsoNormal"> <p class="MsoNormal">I need a help for the
followingcase:<p class="MsoNormal"> <p class="MsoNormal">I want to make auto backup for the database using Dos Command
line, I made the following CMD line <p class="MsoNormal"> <p class="MsoNormal">pg-dumpall -h localhost -Upostgres >
allinone.bak<pclass="MsoNormal"> <p class="MsoNormal">but I found every time I have to enter password. So , how can I
includethe password parameter in the above statement so that I can schedule this patch to take a backup 4 times daily
withoutentering the password every time.<p class="MsoNormal"> <p class="MsoNormal">Thank you in advance for your
support.<pclass="MsoNormal"> <p class="MsoNormal"> </div><p>This electronic communication is intended by the sender
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