`ulimit` for platform

Set or get resource usage limits.

Signature

> ulimit {flags} (limit)

--soft, -S: Sets soft resource limit.
--hard, -H: Sets hard resource limit.
--all, -a: Prints all current limits.
--core-size, -c: Maximum size of core files created
--data-size, -d: Maximum size of a process's data segment
--file-size, -f: Maximum size of files created by the shell
--file-descriptor-count, -n: Maximum number of open file descriptors
--stack-size, -s: Maximum stack size
--cpu-time, -t: Maximum amount of CPU time in seconds
--virtual-memory-size, -v: Maximum amount of virtual memory available to each process

input	output
nothing	any

Print all current limits.

> ulimit -a

Print specified limits.

> ulimit --core-size --data-size --file-size

Set limit.

> ulimit --core-size 102400

Set stack size soft limit.

> ulimit -s -S 10240

Set virtual memory size hard limit.

> ulimit -v -H 10240

Set core size limit to unlimited.

> ulimit -c unlimited