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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, ∼167🔥, 0💬

"compress/uncompress" - Compressed *.Z Files
This section provides a tutorial example on how to use 'compress' and 'uncompress' commands to compress large files and restore them later. Compressed files will have the *.Z file name extension. 2025-12-29, ∼166🔥, 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, ∼166🔥, 0💬

/proc/{id}/maps - Process Memory Map
This section describes the pseudo file '/proc/{id}/maps' that represents virtual memory map of a given process. 2025-12-29, ∼165🔥, 0💬

GNOME Application - Files
This section provides a quick introduction on the GNOME application 'Files' for browsing files and directories. 2025-12-29, ∼165🔥, 0💬

What Is Bash (Bourne Again SHell)
This section provides a quick introduction of Bash shell created by Brian Fox in 1989. 2025-12-29, ∼164🔥, 0💬

Truncate Log Files
This section provides a tutorial example on how to truncate log files in Ubuntu computers. 2025-12-30, ∼163🔥, 0💬

Buffer Memory and Cache Memory
This section describes buffer memory and cache memory, which are temporary memory allocations in the free RAM area to improve data input and output performance on hard disk. 2025-12-29, ∼163🔥, 0💬

/proc/{id}/smaps - Process Memory Map Details
This section describes the pseudo file '/proc/{id}/smaps' that represents virtual memory map of a given process with detailed information on each mapped area. 2025-12-29, ∼163🔥, 0💬

"ps" - Display Current Processes
This section provides a tutorial example on how to use 'ps' command to display current process on the system. 2025-12-29, ∼162🔥, 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, ∼162🔥, 0💬

"xz/unxz" - Compressed *.xz or *.lzma Files
This section provides a tutorial example on how to use 'xz' and 'unxz' commands to compress large files and restore them later. Compressed files will have the *.xz file name extension. 2025-12-29, ∼162🔥, 0💬

"gzip/gunzip" - Compressed *.gz Files
This section provides a tutorial example on how to use 'gzip' and 'gunzip' commands to compress large files and restore them later. Compressed files will have the *.gz file name extension. 2025-12-29, ∼161🔥, 0💬

Process Management
This chapter provides introductions and tutorial on managing processes on Ubuntu systems. Topics include 'ps' to display processes; 'jobs' and other commands to manage background jobs. 2025-12-29, ∼161🔥, 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, ∼161🔥, 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, ∼161🔥, 0💬

Virtual Memory vs. Physical Memory
This section describes virtual memory, which is mapped to physical memory through MMU (Memory Management Unit). 2025-12-29, ∼160🔥, 0💬

Introduction to Ubuntu Systems
This chapter provides introductions and tutorial on Ubuntu operating systems. Topics include 'uname' to display operating system information; 'free' to display memory usages; 'who' to display logged-in users; 'w' to display commands running by logged-in users. 2025-12-29, ∼160🔥, 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, ∼159🔥, 0💬

Files and Directories
This chapter provides introductions and tutorial on file and directory management. Topics include commands to search and find files, read text files in different ways, split, join and truncate files, compress and restore files, archive and extract filesm. 2025-12-29, ∼158🔥, 0💬

Virtual Memory Mapping and Page Table
This section describes virtual memory page, physical memory frame, and page table that maps a page to a frame. 2025-12-29, ∼158🔥, 0💬

"cURL" - Client for URL
This section provides a tutorial example on how to use 'cURL' command to send requests to a remote server in different protocols in URL format. 2025-12-29, ∼157🔥, 0💬

"lsof" - List of Open Files
This section provides a tutorial example on how to use 'lsof' command to display network connections as open files 2025-12-29, ∼157🔥, 0💬

"netstat" - Display Network Statistics
This section provides a tutorial example on how to use 'netstat' command to display network statistics 2025-12-29, ∼157🔥, 0💬

<< < … 8 9 10 11 12 13 14 15 16 > >>   ∑:379  Sort:Date

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