This document lists various Linux terminal commands useful for DevOps tasks. It covers commands for viewing files and directories (ls, pwd, cd), manipulating text output (echo, cat), managing users and permissions (sudo, useradd, passwd, chown, chmod), archiving and extracting files (tar, gzip), finding and editing text (grep, sed, awk), networking (ip, ifconfig, netstat, curl), system monitoring (free, df), and installing software (apt-get). The commands allow viewing system information, navigating and manipulating the filesystem, editing configuration files, and installing and managing software.