Install VirtualBox on Ubuntu 20.04 (GUI, terminal, oracle repository)
Updated: February 27, 2026
Oracle VM VirtualBox or simply VirtualBox is a free and open-source for general purpose full virtualization x86 and AMD64 / Intel64 hardware developed by Oracle Corporation. It is designed to run virtual machines and available for Linux based OS such as Ubuntu.
How To Install “ZIP” and “UNZIP” on Linux (Ubuntu, Debian, Fedora, CentOS)
Updated: February 24, 2026
zip and unzip is ones of linux command that mostly used on Terminal. zip is used to package or compress (archive) files, while unzip is used to list, test and extract compressed files in a ZIP archive. The program is useful for packaging a set of files or directories.
How To Create Directory in Linux (Command Line)
Updated: February 22, 2026
Directory (or Folder) on linux based operating system basically can be created, moved, modified, grown, shrunk, and deleted. In most cases, software programs that are executed on the computer handle these operations, but the user of a computer can also manipulate files if necessary.
How To Remove File on Linux (Command Line)
Updated: February 19, 2026
File on linux computer system can be created, moved, renamed, modified, grown, shrunk, and deleted. In most cases, software programs that are executed on the computer handle these operations, the user can also modify these files directly via terminal with command lines.
How To Remove Directory on Linux (Command Line)
Updated: February 19, 2026
Remove Directory (or Delete) on linux computer system can be performed via terminal using command line. In most cases, software programs that are executed on the computer handle these operations, but the user of a computer can also modify directories if necessary.
How To Create File on Linux (Command Line)
Updated: February 15, 2026
File on linux computer system can be created, moved, renamed, modified, grown, shrunk, and deleted. In most cases, software programs that are executed on the computer handle these operations, the user can also modify these files directly via terminal with command lines.