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PUSH ( 1C ) PUSH
Long Names
If the target machine is not a SVR4 implementation and the source
machine transfers a file with a name greater then 14 characters, the
name will usually be truncated to 14 characters. Note: A few pre-
SVR4 implementations support long file names but the push com-
mand has no way of knowing if these systems do or do not. The
local side will warn the user for each file name that may be trun-
cated.
Symbolic Links
Files of type symbolic link will be preserved unless the ’– L’ option
is used or the target machine does not support symbolic links. A
transferred symbolic link will be identical to the source file; it may,
however, have a different context in the target environment. If the
’– L’ option is used or the target machine does not support sym-
bolic links, the source machine will follow symbolic links with the
following behaviors: The symbolic link will be treated as if it were
the file type of the file pointed to. If the file does not exist or the
user does not have permission to access the file, no transfer will
take place and the source machine will issue a warning. If, in fol-
lowing a path that contains a symbolic link that points to a direc-
tory, the source machine finds a directory that has already been
transferred, it will not transfer it a second time. The source
machine, however, will always transfer directories in a path that
does not contain a symbolic link even if that directory has already
been transferred while following a path that does contain a sym-
bolic link. In both cases the source machine will warn the user for
every affected directory.
The push and pull(1C) commands invoke the pupu program (/opt/dk/bin/pupu) on
the remote system to handle the remote end of all file transfers. If the srvtab(4) file
on the remote system invokes the pupu program with the ´– r´ option, file
transfers will be restricted to/from the home directory tree on the remote system
by disallowing all paths that begin with a leading ´/´ or that contain an embedded
´..´ specification. In this restricted mode, only transfers containing PATHs relative
to the HOME directory will be accepted.
Multiple Interfaces
If multiple interface boards are installed on the originating host the push com-
mand will use the default processing to select the interface for the out-going call.
See dkdial(3X) and authorize(1M) for more information.
WARNINGS
If the source host is identical to the target destination and the source directory is
identical to the target directory, then the push command will overwrite filename
and its contents may be destroyed.
The modification times are preserved on transferred files as long as they are ear-
lier in relative time (i.e. seconds since the 00:00:00 GMT, January 1, 1970, epoch)
than the current relative time on the local machine. If the modification time for a
file would date that file in the future on the local machine, the current time on the
E-38 Issue 3