June 2003
Beginner to intermediate
944 pages
43h 1m
English
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Name
ulimit
Synopsis
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. Values are in 1024-byte increments unless otherwise indicated.
Options
- --
Consider all subsequent strings to be arguments, not options.
- -a
Print all current limits.
- -H
Hard resource limit.
- -S
Soft resource limit.
Specific limits
These options limit specific resource sizes.
- -c
Core files.
- -d
Size of processes’ data segments.
- -f
Size of shell-created files.
- -l
Size of memory that the process can lock.
- -m
Resident set size.
- -n
Number of file descriptors. On many systems, this cannot be set.
- -p
Pipe size, measured in blocks of 512 bytes.
- -s
Stack size.
- -t
Amount of CPU time, counted in seconds.
- -u
Number of processes per user.
- -v
Virtual memory used by shell.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.