☜	Command Lines 1984 Version of ANSI Standard					☞

4. Routines and Command Lines

4.1 Command Lines

A command line (line) must satisfy the constraints on character strings (Section 2.7). The length of a command line is determined as follows. Each character in the label (if present) counts as one character. The ls character counts as one character (note that command lines will therefore always be at least one character long). Each character following the is up to but not including the following eol counts as one character. The sum of the lengths of these three components (label, ls, and the command line proper) determines the length of the command line.

The characters within a command line are restricted to the 95 ASCII printable characters. The character set restriction places a corresponding implicit restriction upon the value of the argument of the indirection delimiter (Section 5).

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