groff 1.23.0 added .MR to its -man macro package. The NEWS file states
that the inclusion of the macro "was prompted by its introduction to
Plan 9 from User Space's troff in August 2020." From d32deab it seems
that the name for Plan 9 from User Space's implementation was suggested
by groff maintainer G. Brandon Robinson.
Not sure if the intention was to make these definitions compatible, but
it would be nice if they were.
Currently, Plan 9 from User Space's .MR expects its second argument to
be parenthesized. groff's .MR does not. This results in extra
parentheses appearing in manual references when viewing Plan 9 from User
Space's manual pages on a system using groff.
56 lines
878 B
Groff
56 lines
878 B
Groff
.TH CORE 1
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.SH NAME
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core \- print information about dead processes
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.SH SYNOPSIS
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.B core
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[
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.I dir
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.I corefile
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]...
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.SH DESCRIPTION
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.I Core
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prints information about dead processes that have
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been saved as core dumps.
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.PP
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Core reads its arguments in order.
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If a directory is encountered,
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.I core
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reads every core file named
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.B core.*
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or
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.B *.core
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in that directory.
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.PP
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For each core file read,
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.I core
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prints the command
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.B stack
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.IR file ,
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the date and time the core was generated,
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and
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the command that generated it.
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The
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.B stack
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command, if run, prints a stack trace of the
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executing thread at the time of the core dump;
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see
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.MR db 1 .
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.PP
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If no arguments are given,
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.I core
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searches the directory
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.B $COREDIR
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for core files;
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if
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.B $COREDIR
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is not set,
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.I core
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searches the current directory.
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.SH SOURCE
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.B \*9/src/cmd/core.c
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.SH "SEE ALSO
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.MR acid 1 ,
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.MR db 1 ,
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.MR core 5
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