Section 2: Basic Linux Tasks Flashcards
(26 cards)
Open-source operating system that allows anyone to freely
download, modify, and redistribute it
● Ubuntu
● Debian
● Fedora Linux
Linux
Computer software in which the source code is readily available for
public use or modified from the original design
Open-Source
Licensed software that has restrictions on what end users can do
● General Public License
● Apache License
● MIT License
● Creative Commons Zero
Proprietary
Text-based interface between the user and the operating system that
accepts input in the form of typed commands
Command Line Interface (CLI)
What contains the core portion of the operating system?
Shell
Proper way of structuring a command and any supporting information
● Command
● Options
● Argument
Syntax
Are commands entered into Bash are case sensitive?
Yes
Repeats input back to the user on the screen
Echo Command
Lists the content of a directory that can give options to view
permissions and hidden files
LS Command
Shows the current working directory
PWD Command
Changes current working directory
CD Command
Copy file or directory to another location
CP Command
Create new directory
MKDIR Command
Used to clear the command line interface of all text
Clear Command
Used to view the contents of a file without editing option
Cat Command
Used to view the contents of a file that won’t fit on one screen
Less Command
Default text editor in Linux
Vim
Simple and user-friendly text editor that needs to be installed
before using it
Nano
GUI text editor that requires installation of a desktop
environment like Gnome or KDE
Gedit
Allows to switch user credentials
Su (Substitute User) Command
Contains the complete documentation for Linux commands and the most immediate source of help available
Man Pages
Used to search the name section of all man pages
Apropos
Used to display a brief description of the given commands
Whatis
Used to display the information page of a command
(Man pages contain all the information in a single page)
Info
