home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam  


UNIX in a Nutshell: System V Edition

UNIX in a Nutshell: System V EditionSearch this book
Previous: Reference: typeset Chapter 4
The Bourne Shell and Korn Shell
Next: Reference: umask
 

ulimit



ulimit

 [

options

] [

n

]

Print the value of one or more resource limits, or, if n is specified, set a resource limit to n . Resource limits can be either hard ( -H ) or soft ( -S ). By default, ulimit sets both limits or prints the soft limit. The options determine which resource is acted on.

Options

-H

Hard limit. Anyone can lower a hard limit; only privileged users can raise it.

-S

Soft limit. Must be lower than the hard limit.

-a

Print all limits.

-c

Maximum block size of core files.

-d

Maximum kbytes of data segment or heap.

-f

Maximum block size of files (the default option).

-n

Maximum file descriptor plus 1.

-s

Maximum kbytes of stack segment

-t

Maximum CPU seconds.

-v

Maximum kbytes of virtual memory.


Previous: Reference: typeset UNIX in a Nutshell: System V Edition Next: Reference: umask
Reference: typeset Book Index Reference: umask

The UNIX CD Bookshelf Navigation The UNIX CD BookshelfUNIX Power ToolsUNIX in a NutshellLearning the vi Editorsed & awkLearning the Korn ShellLearning the UNIX Operating System