sin fd: What do the readings mean?

“sin fd” often reports some file descriptors numbers suffixed with “C”
like this:
//2/bin/ksh 135
0 -//2/dev/con1
1 -//2/dev/con1
2 -//2/dev/con1
10C -//2/dev/con1

In case of ksh - what is that "10"th fd for?
Some other programs may have more than one fd marked with “C” - why?

Tony.

Tony <mts.spb.suxx@mail.ru> wrote:

“sin fd” often reports some file descriptors numbers suffixed with “C”
like this:
//2/bin/ksh 135
0 -//2/dev/con1
1 -//2/dev/con1
2 -//2/dev/con1
10C -//2/dev/con1

In case of ksh - what is that "10"th fd for?
Some other programs may have more than one fd marked with “C” - why?

“C” == “close on exec” AFAICT.

Cheers,
-RK

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Robert Krten, PDP minicomputer collector http://www.parse.com/~museum/