10-25-2000
It just specifies that the following file (sntl_maint.sh) should be processed using the 'sh' shell.
It has nothing to do with placing the command in the background. The '1>&2' that you mention is specifying that the STDOUT (output stream 1) should be redirected to the wherever STDERR (output stream 2) is going (usually your screen).
You would do something like:
sh sntl_maint.sh ${__ENGINE} 1>&2 &
to put it in the background
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LEARN ABOUT HPUX
orientation
orientation(5) File Formats Manual orientation(5)
NAME
orientation - the orientation of a stream
DESCRIPTION
The orientation of a stream is a property of a object that is handled as a input/output stream. It is useful when the input/output model
assumes that characters are handled as wide-characters within an application and stored as multi-byte characters in files, and that all the
wide-character input/output functions begin executing with the stream positioned at the boundary between two multi-byte characters.
After a stream is associated with a file, but before any operations are performed on the stream, the stream is without orientation. If a
wide-character input or output function is applied to a stream without orientation, the stream becomes wide-oriented implicitly. Likewise,
if a byte input or output operation is applied to a stream without orientation, the stream becomes byte-oriented implicitly. Only the
function can alter the orientation of a stream explicitly when the stream is without orientation.
Just after a stream is associated with a pipe by the function, the stream is byte-oriented.
After the stream becomes byte-oriented or wide-oriented, the orientation of a stream will be fixed and can not be changed until the stream
is closed.
The following functions are wide-character input/output functions.
The following functions are byte input/output functions.
EXAMPLES
To read characters from a stream when the orientation of the stream is unknown :
WARNINGS
If byte input/output functions are applied to a wide-oriented stream or wide-character input/output functions are applied to a byte-ori-
ented stream, the behavior is undefined.
AUTHOR
The functionality of the orientation of a stream was developed by HP and Mitsubishi Electric Corporation.
SEE ALSO
fgetws(3C), fopen(3S), fread(3S), fwide(3C), fwprintf(3C), fwscanf(3C), getc(3S), gets(3S), getwc(3C), popen(3S), printf(3S), putc(3S),
puts(3S), putwc(3C), putws(3C), scanf(3S), ungetc(3S), ungetwc(3C).
orientation(5)