Node:Changing mailbox/directory, Next:Controlling Header Display, Previous:Moving Within a Mailbox, Up:Reading Mail
cd [dir]
chdir [dir]
ch [dir]
file [mailbox]
fi [mailbox]
folder [mailbox]
fold [mailbox]
quit
command has been issued.
If mailbox is omitted, the command prints the current mailbox
name followed by the summary information regarding it, e.g.:
& fold "/var/spool/mail/gray": 23 messages 22 unread