ulimit

Ubuntu 20.04 LTS ulimit default values:

ulimit -a
time(seconds)        unlimited
file(blocks)         unlimited
data(kbytes)         unlimited
stack(kbytes)        8192
coredump(blocks)     0
memory(kbytes)       unlimited
locked memory(kbytes) 65536
process              15638
nofiles              1024
vmemory(kbytes)      unlimited
locks                unlimited
rtprio               0

nofiles
ulimit -n 8192

ulimit -Hn

ulimit -Sn

Related terms

• cgroups
• Fork bomb

docker run --ulimit
AWS ECS Task definition parameters: ulimits

See also

• ulimit, -a, -Hn
• file, File system, directory, touch, mkdir, ls, ln truncate, fallocate, split, stat, inode, File descriptor, superblock, block size (blockdev), fuser, lsof, scrub, chattr, ulimit (nofiles), cp, mv, file (command), mkfifo, chmod