limit, ulimit, unlimit — Set or Get Limitations on Available System Resources

Synopsis

/usr/bin/ulimit [-f][blocks] 
sh
ulimit [-[HS][a | cdfnstv]] 
ulimit [-[HS]] c | d | f | n | s | t | v]] limit
						
csh
limit [-h][resource [limit]] 
unlimit [-h][resource] 
ksh
ulimit [-HSacdfnstv][limit] 

Description

/usr/bin/ulimit

The ulimit command sets or reports the file-size writing limit imposed on files written by the shell and its child processes (files of any size can be read). Only a process with appropriate privileges can increase the limit.

Bourne Shell

The Bourne shell built-in function, ulimit, prints or sets hard or soft resource limits. These limits are described in getrlimit(2).

If you specify limit , ulimit prints the specified limits. ...

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