ulimit
Official Description
Sets or displays a resource limit.
Syntax
ulimit [-HSacdfmnstvw] [limit]
Options
-a lists current limits.
-c displays the maximum size of core dump files.
-d displays the maximum size of data area.
-f displays the maximum file size.
-m displays the limit on physical memory usage.
-n displays the maximum number of concurrently open files.
-s displays the maximum stack size.
-t displays the maximum CPU time in seconds.
-v displays the maximum virtual memory (kb).
-w displays the maximum swap area (kb) (not available on all UNIX variants).
Oddities
The H and S options specify whether the hard limit or the soft limit for the given resource is set.
A hard limit cannot be increased after it is set.
A soft limit can be ...
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