Learn Linux in 3 Days (2015)

APPENDIX A: ABBREVIATIONS AND ACRONYMS

ACL - access control list

APT - advanced packaging tool (apt)

ASCII - American Standard Code for Information Interchange

CentOS - Community ENTerprise Operating System

cd - Change directory

CLI - command line interface

crontab - cron table

dir - directory

distro - Distribution, a collection of user programs, software, and the Linux kernel to create an operating environment.

FOSS - free open source software

FTP - file transfer protocol

GID - group identification

GB - gigabyte

GNU - GNU's Not UNIX. (See GNU.org)

GUI - graphical user interface

HP - Hewlett-Packard

IBM - International Business Machines

KB - kilobyte

I/O - input/output

LFS - Linux from scratch.
(See http://www.linuxfromscratch.org/)

LSB - Linux Standard Base

LUG - Linux user group

LVM - logical volume management

MB - megabyte

MBR - master boot record

NFS - network file system

NTP - network time protocol

OS - operating system

PID - process identification number

POSIX - portable operating system interface

pwd - present working directory

RHEL - RedHat Enterprise Linux

RHCE - Red Hat Certified Engineer

RPM - RedHat Package Manager

SAN - storage area network

SELinux - Security Enhanced Linux

SFTP - secure file transfer protocol or SSH file transfer protocol

SGID - set group ID

SLES - SuSE Linux Enterprise Server

SSH - secure shell

STDIN - Standard input

STDOUT - Standard output

STDERR - Standard error

su - superuser

sudo - superuser do

SUID - set user ID

symlink - symbolic link

tar - tape archive

TB - terabyte

TTY - teletype terminal

UID - user identification

VDI - virtual disk image

X - X window system

YUM - Yellowdog Updater, Modified (yum)