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6.9.3 admin

There are a few differences in the behaviour of the admin command across the various SCCS Implementations :-

The `-n' option
Some versions of Dynix do not allow the use of the `-n' option without the `-i' option. A workaround is to use -n -i/dev/null instead.

Binary file support
Most implementations of SCCS do not support the encoding of binary files, either automatically or by the use of the `-b' option to admin. See 6.1 Binary File Support, for more information.

Executable file support
The SCO OpenServer implementation of SCCS provides an x flag, which turns on the executable bits of the mode of the g-file when it is created. Other versions of SCCS do not have this feature. While CSSSC provides this feature also, its use is not recommended. The prt -f command does not indicate the value of the x flag.

Initial delta
The `-r' option is used to specify the release of the initial delta. Some implementations of SCCS allow this to be used to specify more components of a SID than just the release number. The CSSC version of admin allows this usage but issues a warning message. If the `-r' option is used to specify a non-trunk SID (that is, a SID with more than two components), this is allowed but some of the other tools in the CSSC suite will not work correctly on the resulting file.



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