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Revision as of 09:39, 31 August 2020

455 bytes added ,  31 August 2020
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→‎nano
=== nano ===
 
There are various text editors available on a Pi, '''nano''' is a simple one. YouLike followother text editors this can create a file when a file does not exist and edit (subject to file permissions) an existing file. The sudo gives you access to any file, it does not change the instructionactual withfile access, so you might find you can read a file, but not save it after you have done your edit. After typing the nano command you need to specify a filename (it might include a path, see previous sub-section) and there are examples later in this article, but oneif you decide to host a web site on your Pi then you might want to useedit isits home page with (.html or .php) name like <tt>sudo nano /var/www/html/index.php</tt>. After you have made an alteration to the current contents of the file, various options are shown at the bottom. Here are two key ones:
*OneFirst is '''^O''' which is used to save the file whilst staying in the editor, to do this press the control key down and type O. Next it shows the current file name, if you press '''Enter''' then that file will be overwritten.▼
 
▲*One is '''^O''' which is used to save the file whilst staying in the editor, to do this press the control key down and type O. Next it shows the current file name, if you press '''Enter''' then that file will be overwritten.
*Another is '''^X''' which means if you press the control key down and type X you get the exit dialogue. If you have not used control and O to save the file, it asks whether you want to save the edited file (type '''Y'''), although the Y carries on, any other key stroke cancels without saving, then it shows the current file name, if you press '''Enter''' then that file will be overwritten.
 
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