MPE/iX Shell and Utilities Reference Manual, Vol 1

Conventions
Throughout this manual, the following conventions help you to distinguish between different elements
of text and to learn about MPE/iX
Shell and Utilities.
Convention Description
courier Literal user input, directory names, file names, and path names are
expressed in normal Courier font (that is, typewriter font).
bold courier Commands and command line options in a synopsis line or embedded
in regular text are in bold Courier font.
[ ] Optional command line items and optional parts of command names
are enclosed in square brackets. For example, [–z] indicates that the
–z option can be specified, but is not required.
 This manual uses the or-bar () to indicate a mutually exclusive choice
of command line items. For example, –a–b indicates that you can
specify either the –a option or the –b option, but not both.
... In a command synopsis, the ellipsis indicates that a command line item
can be repeated any number of times. In examples, it indicates where
portions of an example have been omitted.
bold Commands internal to interactive utilities are shown in bold Roman
font (for example, ZZ in vi, and followup in mailx).
ITALIC COURIER
Environment variables are expressed in uppercase italic Courier font.
italics Placeholders which are to be replaced when actually entering a com-
mand are shown in italics. For example, you would replace filename
with an actual file name.
SMALL CAPS Acronyms and combination key sequences are indicated with small
caps. When you see the - sign between two key names, such as ALT or
CTRL, hold down the first key while pressing the second. For example,
to enter ALT-X, hold down the ALT key and press X.
ENTER This manual uses ENTER to stand for the key that is sometimes labelled
RETURN, or has an arrow pointing down and to the left.
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