help on appending data to existing data

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# 1  
Old 01-26-2001

I need to know how to record the hostname, date/time and all of the process and send it all to one file. I know that the commands I need are hostname, date and ps but I don't know how to do them all and send them all to the same file. Please help!
# 2  
Old 01-27-2001
hostname > file
date >> file
ps -ef >> file [or 'ps ax' depending on your flavor of Unix]
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