intro(1) [osf1 man page]

intro(1)						      General Commands Manual							  intro(1)

NAME

       intro - Introduction to commands

DESCRIPTION

       Section 1 describes the commands available for all Tru64 UNIX users.

       Some reference pages in this section may contain suffixes to allow their files to exist with those of other reference pages having the same
       base name and section number. When used, suffixes are made up of one to four letters.  See the man(1) reference page for  more  information
       on suffixes.

       Commands related to system maintenance appear in Section 8.

ERRORS

       On  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.  For more information, see exit(2).  The first byte is 0 for normal termination; the  sec-
       ond  byte is customarily 0 for successful execution. A nonzero status indicates a problem, such as erroneous parameters, or bad or inacces-
       sible data. The status value is called variously exit code, exit status, or return code, and is described  explicitly  on  reference  pages
       only when special conventions apply.

SEE ALSO

       Commands:  man(1)

       Functions:  exit(2)

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NAME

       intro - introduction to system maintenance commands and application programs

DESCRIPTION

       This  section  describes  commands  that are used chiefly for system maintenance and administration purposes.  The commands in this section
       should be used in conjunction with other sections of this manual, as well as the HP-UX System Administration manuals for your system.

   Command Syntax
       Unless otherwise noted, commands described in this section accept options and other arguments according to the following syntax:

	      name [ option ( s )] [ cmd_arg ( s )]

       where the elements are defined as follows:

	      name	Name of an executable file.

	      option	One or more options can appear on a command line.  Each takes one of the following forms:

			     A single letter representing an option without an argument.

			     Two or more single-letter options
				    combined into a single command-line argument.

			     A single-letter option followed by a required argument where:
				       arg_letter
					      is the single letter representing an option that requires an argument,
				       opt_arg
					      is an argument (character string) satisfying the preceding arg_letter,
				       <>     represents optional white space.

	      cmd_arg	Path name (or other command argument) not beginning with or by itself indicating the  standard	input.	 If  two  or  more
			cmd_args appear, they must be separated by white space.

RETURN STATUS

       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 (for descriptions, see wait(2) and exit(2)).  The system-supplied byte is 0 for nor-
       mal  termination.   The	byte  provided by the program is customarily 0 for successful execution and non-zero to indicate errors or failure
       such as incorrect parameters in the command line, or bad or inaccessible data.  Values returned are usually called variously ``exit code'',
       ``exit status'', or ``return code'', and are described only where special conventions are involved.

WARNINGS

       Some  commands produce unexpected results when processing files containing null characters.  These commands often treat text input lines as
       strings and therefore become confused upon encountering a null character (the string terminator) within a line.

SEE ALSO

       getopt(1), exit(2), wait(2), getopt(3C), hier(5), introduction(9).

       Web access to HP-UX documentation at

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