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"sudo apt autoremove" - Remove Unneeded Packages
This section provides a tutorial example on how to use the 'apt autoremove' command to remove all packages that are no longer needed on Ubuntu computer. 2025-12-29, ∼162🔥, 0💬

"ps -o rss,drs,trs,vsz,sz" - Process Status Options
This section provides a tutorial on how to 'ps -o rss,drs,trs,vsz,sz' command to report memory usage of each running process. 2025-12-29, ∼147🔥, 0💬

Bash Command Line Interpretation Steps
This section describes major processing steps, when a command line is entered at the Bash shell prompt. 2025-12-29, ∼154🔥, 0💬

GNOME Application - Terminal
This section provides a tutorial example on how to use the GNOME application 'Terminal' to run commands interactively. 2025-12-29, ∼144🔥, 0💬

Verify Cache Memory with "cp" Command
This section provides a tutorial example to verify the cache memory usage in the RAM free space using a single 'cp' command. 2025-12-29, ∼148🔥, 0💬

"traceroute" - Trace Route to Remote Host
This section provides a tutorial example on how to use 'traceroute' command to trace route (or gateways) between the local host and a given remote host. 2025-12-29, ∼154🔥, 0💬

"rar" and "unrar" - Roshal Archive Files
This section provides a tutorial example on how to use 'unrar' package to extract files from a RAR archive file. 2025-12-29, ∼143🔥, 0💬

Command Input/Output Redirection
This section provides a tutorial example on how to use command input and output redirection operators to read input files and save output files. 2025-12-29, ∼154🔥, 0💬

Network Connection on Ubuntu
This chapter provides introductions and tutorial on network connection and tools. Topics include introduction of Wi-Fi connection; 'ping' and 'traceroute' to check connectivity; 'ifconfig' to view current network configuration; 'netstat' as network activity monitor. 2025-12-29, ∼142🔥, 0💬

"netstat" - Display Network Statistics
This section provides a tutorial example on how to use 'netstat' command to display network statistics 2025-12-29, ∼146🔥, 0💬

gnome-tweaks - The GNOME Tweak Tool
This section provides a tuturial example on how to install 'gnome-tweaks' to customize touchpad to simulate mouse clicks. 2025-12-29, ∼158🔥, 0💬

SSH Protocol and ssh/scp Commands
This chapter provides introductions and tutorial notes on SSH (Secure SHell) protocol and 'ssh/scp' commands. Topics include SSH connection steps; user password and public key authentication methods; SSH server configuration settings; 'ssh' for remote login sessions; 'scp' for copying remote files. 2025-12-29, ∼156🔥, 0💬

Connect to Wi-Fi with GNOME Settings
This section provides a tutorial example on how to use GNOME Settings to connect to Wi-Fi service. 2025-12-29, ∼162🔥, 0💬

"systemctl status/start/stop/enable/disable" Commands
This section provides a quick introduction of the 'systemctl' command, which allows you to start or stop a system service, check the status of a service, and enable or disable a service at the boot time. 2025-12-29, ∼187🔥, 0💬

Keyboard Shortcuts on GNOME
This section lists commonly used keyboard shortcuts on GNOME on Ubuntu computers. Alt-PrtSc-S.U.B forces the system to reboot. 2025-12-29, ∼150🔥, 0💬

"more", "head" and "cat" - Read Files
This section provides a tutorial example on how to use 'more', 'head' or 'tail' commands to read text files one screen at a time, to read the first 10 lines, or to read the last 10 lines. 2025-12-29, ∼140🔥, 0💬

GNOME - Desktop Interface and Environment
This chapter provides introductions and tutorial examples on GNOME, which is the default desktop interface and environment on Ubuntu computers. Topics include introduction of GNOME; keyboard shortcuts; gnome-tweaks package; main applications: Settings, Files and Terminal; image viewers; video player... 2025-12-29, ∼152🔥, 0💬

"route" - Manage Routing Table
This section provides a tutorial example on how to use 'route' command to view and update the routing table for network traffic. 2025-12-29, ∼154🔥, 0💬

"ifconfig" - Trace Routes to Remote Host
This section provides a tutorial example on how to use 'ifconfig' command to view and manage network interface configurations. 2025-12-29, ∼151🔥, 0💬

"last/lastb" - Review Login History
This section provides a quick introduction of the 'last' and 'lastb' commands, which allows you to review login history and login attempts. 2025-12-29, ∼137🔥, 0💬

"who | w" - Logged-in Users and Their Running Commands
This section provides a tutorial example on how to display logged-in users and their running commands using 'who' and 'w' commands on Ubuntu systems. 2025-12-29, ∼156🔥, 0💬

hostnamectl - Display System Information
This section provides a tutorial example on how to display operating system information using the 'uname' and other commands on Ubuntu systems. 2025-12-29, ∼152🔥, 0💬

What Is Swap Space
This section describes swap space, reserved area on the hard disk that extends RAM to form a larger physical memory. 2025-12-29, ∼150🔥, 0💬

Cron Daemon, Table and Jobs
This section describes what is cron daemon and its related cron tables/jobs. 2025-12-29, ∼149🔥, 0💬

<< < 1 2 3 4 5 6 7 8 9 10 … > >>   ∑:9026  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO