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Command: intro | Section: 1 | Source: UNIX v10 | File: intro.1
INTRO(1) General Commands Manual INTRO(1)
NAME
intro - introduction to commands
DESCRIPTION
This section describes publicly accessible commands in alphabetic or-
der.
The name of a particular machine at the head of the page means that the
command lives there and not necessarily elsewhere. `Local' means the
same, without being specific about where.
SEE ALSO
Section (7) for databases.
Section (8) for `hidden' commands for booting, maintenance, etc.
Section (9) for commands that involve the Teletype 5620 terminal.
How to get started, in the Introduction.
DIAGNOSTICS
Upon termination each command returns two bytes of status, one supplied
by the system giving the cause for termination, and (in the case of
`normal' termination) one supplied by the program; see exit(2). The
former byte is 0 for normal termination, the latter is customarily 0
for successful execution, nonzero to indicate troubles such as erro-
neous parameters, bad or inaccessible data, or other inability to cope
with the task at hand. It is called variously `exit code', `exit sta-
tus' or `return code', and is described only where special conventions
are involved.
INTRO(1)