Systemd

Resources limit directives and their equivalent ulimit commands

Directive|ulimit equivalent|Unit

LimitCPU|ulimit -t|Seconds LimitFSIZE|ulimit -f|Bytes LimitDATA|ulimit -d|Bytes LimitSTACK|ulimit -s|Bytes LimitCORE|ulimit -c|Bytes LimitRSS|ulimit -m|Bytes LimitNOFILE|ulimit -n|Number of File Descriptors LimitAS|ulimit -v|Bytes LimitNPROC|ulimit -u|Number of Processes LimitMEMLOCK|ulimit -l|Bytes LimitLOCKS|ulimit -x|Number of Locks LimitSIGPENDING|ulimit -i|Number of Queued Signals LimitMSGQUEUE|ulimit -q|Bytes LimitNICE|ulimit -e|Nice Level LimitRTPRIO|ulimit -r|Realtime Priority LimitRTTIME|No equivalent|Microseconds