Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

nova-scheduler, 564

nova-volume, 564

NS record (DNS), 637 – 638

Null Device, 185

numbers, comparing

in  pdksh   and bash,    269 – 271

in  tcsh,    273 – 274

O

OCaml, 689 – 690

office productivity. See productivity applications

Ogg-Vorbis file format, 74

OGV/OGG file format, 86

online game sources

Game    Jolt,    100

GOG.com,     100

Humble,  100

itch.io,     100

LGDB,    100

Steam,   99

open source software, proprietary software versus, 16

OpenLDAP, 619

OpenShot Video Editor, 88

OpenSSH. See SSH (Secure Shell)

OpenSSL, 492 – 494

OpenStack, 563 – 565

OpenVPN, 615 – 617