read99.md

what is the text editor?

A text editor is a piece of software that you download and install on your computer that allow to write and manage text espesially the text you write to bulid awebsite.

what difference between text editor and IDES?

text editor : it edit text and aslo manage text and manage file.

IDES: Integrated Development Environment :text editor afile manage acompiler and debugger in one software package.

example:

• ** notepad++** : is afree text editor for windows .
• ** bb edit** :is asoftware that you purchase .
• ** visual studio code ** is afree text editor VS Code has the Emmet shorthand for HTML and CSS already built-in with no additional work from you at all. VS Code has everything: syntax highlighting, themes, extensions and code completion. It seems like VS Code has a very healthy following in the web devloper community .

linux the command line :

Linux has a graphical user interface and it works pretty much like the GUI's on other system with such as windows and osx.

what are you command line and terminal?

A command line, or terminal, is a text based in interface to the system .

how opening terminal ?

• If you're on a Mac then you'll find the program Terminal under Applications -> Utilities.
• If on Linux then you will probably find it in Applications -> System or Applications -> Utilities .

what is the shell and bash ?

a part of the operating system that defines how the terminal will behave and and look after running command for you . There are various shells available but the most common one is called bash.

note :

shell use command called echo

why use echo command ?

1. display system variable.
2. display message .

basic navigation ?

1. pwd : Print Working Directory - ie. Where are we currently.
2. ls : List the contents of a directory.
3. cd :Change Directories - ie. move to another directory.

more about file :

1. file :obtain information about what type of file a file or directory is.
2. ls-a : List the contents of a directory, including hidden files.