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Displaying Information

`='
Displays the current message number.
`headers [msglist]'
`h [msglist]'
Lists the current pageful of headers.
`from [msglist]'
`f [msglist]'
Lists the contents of `From' headers for a given set of messages.
`z [arg]'
Presents message headers in pagefuls as described for headers command. When arg is `.', it is generally equivalent to headers. When arg is omitted or is `+', the next pageful of headers is displayed. If arg is `-', the previous pageful of headers is displayed. The latter two forms of z command may also take a numerical argument meaning the number of pages to skip before displaying the headers. For example:
          & z +2
     

will skip two pages of messages before displaying the header summary.

`size [msglist]'
`si [msglist]'
Lists the message number and message size in bytes for each message in msglist.
`folders'
Displays the value of folder variable.
`summary'
`su'
Displays current mailbox summary. E.g.:
          

& summary "/var/spool/mail/gray": 23 messages 22 unread