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.sh 1 "Maintaining folders" .pp .i Mail includes a simple facility for maintaining groups of messages together in folders. This section describes this facility. .pp To use the folder facility, you must tell .i Mail where you wish to keep your folders. Each folder of messages will be a single file. For convenience, all of your folders are kept in a single directory of your choosing. To tell .i Mail where your folder directory is, put a line of the form .(l set folder=letters .)l in your .i .mailrc file. If, as in the example above, your folder directory does not begin with a `/,' .i Mail will assume that your folder directory is to be found starting from your home directory. Thus, if your home directory is .b /home/person the above example told .i Mail to find your folder directory in .b /home/person/letters . .pp Anywhere a file name is expected, you can use a folder name, preceded with `+.' For example, to put a message into a folder with the .b save command, you can use: .(l save +classwork .)l to save the current message in the .i classwork folder. If the .i classwork folder does not yet exist, it will be created. Note that messages which are saved with the .b save command are automatically removed from your system mailbox. .pp In order to make a copy of a message in a folder without causing that message to be removed from your system mailbox, use the .b copy command, which is identical in all other respects to the .b save command. For example, .(l copy +classwork .)l copies the current message into the .i classwork folder and leaves a copy in your system mailbox. .pp The .b folder command can be used to direct .i Mail to the contents of a different folder. For example, .(l folder +classwork .)l directs .i Mail to read the contents of the .i classwork folder. All of the commands that you can use on your system mailbox are also applicable to folders, including .b type , .b delete , and .b reply . To inquire which folder you are currently editing, use simply: .(l folder .)l .pp To list your current set of folders, use the .b folders command. .pp To start .i Mail reading one of your folders, you can use the .b -f option described in section 2. For example: .(l % Mail -f +classwork .)l will cause .i Mail to read your .i classwork folder without looking at your system mailbox.