Usage: prlimit [options] [--=] [-p PID] prlimit [options] [--=] COMMAND Show or change the resource limits of a process. Options: -p, --pid process id -o, --output define which output columns to use --noheadings don't print headings --raw use the raw output format --verbose verbose output -h, --help display this help -V, --version display version Resources: -c, --core maximum size of core files created -d, --data maximum size of a process's data segment -e, --nice maximum nice priority allowed to raise -f, --fsize maximum size of files written by the process -i, --sigpending maximum number of pending signals -l, --memlock maximum size a process may lock into memory -m, --rss maximum resident set size -n, --nofile maximum number of open files -q, --msgqueue maximum bytes in POSIX message queues -r, --rtprio maximum real-time scheduling priority -s, --stack maximum stack size -t, --cpu maximum amount of CPU time in seconds -u, --nproc maximum number of user processes -v, --as size of virtual memory -x, --locks maximum number of file locks -y, --rttime CPU time in microseconds a process scheduled under real-time scheduling Arguments: is defined as a range soft:hard, soft:, :hard or a value to define both limits (e.g. -e=0:10 -r=:10). Available output columns: DESCRIPTION resource description RESOURCE resource name SOFT soft limit HARD hard limit (ceiling) UNITS units For more details see prlimit(1).