The following notational conventions are used in this manual:
In body text
italics
All syntax elements and also other file names, path names and commands are
shown in italics.
...
This symbol identifies important information and exceptional circumstances which you should be aware of.
In the syntax
plain type
Variables: These characters are replaced by other characters which you select and enter.
bold face
Constants: These characters must be entered exactly as they are printed.
[ ]
Optional: Everything which is enclosed in square brackets can be entered, but does not have to be. The square brackets themselves should not be entered unless this is expressly required.
' '
A blank which must be entered.
...
The preceding expression can be repeated. If blanks need to be entered between the repeated expressions, and the blank is not contained in the expression, a blank (' ') will precede the ellipsis symbol.
|
The vertical line separates alternative specifications.
In examples
bold typewriter face
Inputs: With character-oriented terminals input lines are concluded with the
RETURN key, while with block-oriented terminals the same function is fulfilled by
EM DUE; the key specifications are therefore omitted.
normal typewriter face
Outputs