General-Purpose Mail Package
|Official GNU Software|
Change to the specified directory. If dir is omitted,
Read in the contents of the specified mailbox. It can be either the name of the existing file, a mailbox URL (see Mailbox), or any of the following shortcuts:
The system mailbox for the invoking user.
The system mailbox for user.
The previous file.
The current ‘mbox’.
Secondary mailbox, given using the -f command line option.
The named file in the folder directory. See folder variable.
The current mailbox is updated as if
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
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