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"apt list" - List Software Packages
This section provides a tutorial example on how to use the 'apt list' command to display software packages installed or available for Ubuntu computer. 2025-12-29, ∼157🔥, 0💬
GNOME Application - Video Players
This section provides a tutorial example on how to use the GNOME application 'Terminal' to run commands interactively. 2025-12-29, ∼141🔥, 0💬
Internet Networking Tools
This chapter provides introductions and tutorial examples about Internet networking tools. Topics include 'wget' to download Web files; 'curl' to send requests to URLs. 2025-12-29, ∼139🔥, 0💬
What is Ubuntu
This section provides a quick introduction of Ubuntu, the most popular Linux distribution. 2025-12-29, ∼137🔥, 0💬
smem - Process Memory Usage Report
This section provides a tutorial on how to install 'smem' and use it to report memory usage of each running process. 2025-12-29, ∼131🔥, 0💬
"find" - Search for Files
This section provides a tutorial example on how to use 'find' command to search for files in a directory tree. '-name' and '-size' are 2 commonly used search conditions. 2025-12-29, ∼130🔥, 0💬
"shutdown" and "halt/poweroff/reboot" Commands
This section provides a quick introduction of the 'shutdown' command, and its alias commands 'halt', 'poweroff', and 'reboot'. 2025-12-29, ∼130🔥, 0💬
GNOME Application - Settings
This section provides a tuturial example on how to use the GNOME application 'Settings' to modify system settings. 2025-12-29, ∼129🔥, 0💬
List CPU Caches and Their Sizes
This section describes how to use 'lscpu', 'lshw' and 'dmidecode' commands to list CPU caches and their sizes. 2025-12-29, ∼129🔥, 0💬
"free" - Display Free and Used Memory
This section provides a tutorial example on how to display free and used memory information using the 'free' command on Ubuntu systems. 2025-12-29, ∼127🔥, 0💬
What Is Shell
This section provides a quick introduction of shell programs on Ubuntu computer. Bash (Bourne Again SHell) is the default shell program. 2025-12-29, ∼126🔥, 0💬
Layers of Memory and Access Speed
This section describes layers of memory: CPU Register, CPU Caches, RAM and hard disk. 2025-12-29, ∼126🔥, 0💬
Manage "apt" Package Repositories
This section provides a quick introduction on 'apt' package repositories, which are defined in the /etc/apt/sources.list file. 2025-12-29, ∼126🔥, 0💬
💬 2022-07-22 Helen: This is very helpful!
💬 2016-05-07 mehari: this tutorials helps many trainers through out the world, thanks!
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