BSD 2.11 - man page for gcore (bsd section 1)
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gcore - get core image of running process
gcore [-s][-c core] pid
gcore creates a core image of each specified process, suitable for use with adb(1). By
default the core image is written to the file <pid>.core.
The options are:
-c Write the core file to the specified file instead of <pid>.core.
-s Stop the process while creating the core image and resume it when done. This makes
sure that the core dump will be in a consistent state. The process is resumed even
if it was already stopped. Of course, you can obtain the same result by manually
stopping the process with kill(1).
The core image name was changed from core.<pid> to <pid>.core to prevent matching names
like core.h and core.c when using programs such as find(1).
<process-id>.core The core image.
If gcore encounters an error while creating the core image and the -s option was used the
process will remain stopped.
Swapped out processes and system processes (the swapper) may not be gcore'd.
4.2 Berkeley Distribution April 15, 1994 GCORE(1)
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