z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

unpack
File
Exit Values
Messages
Portability
v LC_MESSAGES
v NLSPATH
Related Information
file, pack, pcat
See Appendix F for more information.
unpack uses the following file:
pk$* Temporary copy of input file. (You may see this in the current directory if
unpack is interrupted.) The file is located in the same directory as the file
being unpacked.
0 Successful completion
n Indicates that files could not be unpacked properly. For example, if three out
of six files could not be unpacked properly, the exit status is 3.
Possible reasons for failure include:
v Unknown command-line option
v Error creating a name for a temporary file
v Error opening an input file or a temporary file
v Error writing to a temporary file
v Inability to rename a temporary file
v Inability to restore the modification time on a packed file
v Input file was not packed
v A packed file is corrupt
Possible error messages include:
file: Not a packed file
pack did not process the file. In this case, the file is not changed.
POSIX.2, X/Open Portability Guide, UNIX systems.
unset — Unset values and attributes of variables and functions
Format
Description
unset name ...
unset –fv name ...
tcsh shell: unset pattern
Calling unset with no options removes the value and attributes of each variable or
function name.
732 z/OS V1R9.0 UNIX System Services Command Reference