How to comment out lines in configuration files on Linux

The Short Answer You can “uncomment a line” in a configuration file by removing the # at the start of the line. Or, to “comment out” a line, add a # character to the start of the line.

1. How do I comment multiple lines in conf?
2. How do you comment out a line in Linux?
3. How do you comment lines in properties file?
4. How do you comment out multiple lines of code?
5. How do I comment out lines in Yaml file?
6. How do I comment all lines in Vim?
7. How do you comment out a line in Unix?
8. How do I comment a line in a .sh file?
9. How do you comment out a line?
10. What are the three properties of files?
11. What are the file properties?
12. How do I read properties file?

How do I comment multiple lines in conf?

Enter visual mode by pressing v. select the lines you like to comment ( up / down arrow or j / k ) enter :s/^/# / which translates to: in selection ( : ) replace beginning of line ( ^ ) with `# '

How do you comment out a line in Linux?

Follow the steps given below for commenting multiple using the terminal.

1. First, press ESC.
2. Go to the line from which you want to start commenting. ...
3. use the down arrow to select multiple lines that you want to comment.
4. Now, press SHIFT + I to enable insert mode.
5. Press # and it will add a comment to the first line.

How do you comment lines in properties file?

Comment lines in . properties files are denoted by the number sign (#) or the exclamation mark (!) as the first non blank character, in which all remaining text on that line is ignored. The backwards slash is used to escape a character.

How do you comment out multiple lines of code?

To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )

How do I comment out lines in Yaml file?

The shortcut key combination for commenting YAML blocks is Ctrl+Q.

How do I comment all lines in Vim?

To comment out blocks in vim:

1. press Esc (to leave editing or other mode)
2. hit ctrl + v (visual block mode)
3. use the ↑ / ↓ arrow keys to select lines you want (it won't highlight everything - it's OK!)
4. Shift + i (capital I)
5. insert the text you want, e.g. %
6. press Esc Esc.

How do you comment out a line in Unix?

You can comment by placing a octothorpe # or a : (colon) at the start of the line, and then your comment. # can also go after some code on a line to add a comment on the same line as the code.

How do I comment a line in a .sh file?

If you're using GNU/Linux, /bin/sh is normally a symbolic link to bash (or, more recently, dash). The second line begins with a special symbol: # . This marks the line as a comment, and it is ignored completely by the shell.

How do you comment out a line?

Or, to “comment out” a line, add a # character to the start of the line. (Note that some languages have different comment formats, so this may not be true if you're working with a source code file.)

What are the three properties of files?

Files typically have the following characteristics:

• A file always has a name.
• A file always takes up storage space.
• A file is always saved in a certain format: a body of text is saved in one of the many text file formats, a photo in one of the many image file formats, etc.

What are the file properties?

The file properties window shows you information like the type of file, the size of the file, and when you last modified it. If you need this information often, you can have it displayed in list view columns or icon captions.

How do I read properties file?

Test.java

1. import java.util.*;
2. import java.io.*;
3. public class Test
4. public static void main(String[] args)throws Exception
5. FileReader reader=new FileReader("db.properties");
6. Properties p=new Properties();
7. p.load(reader);
8. System.out.println(p.getProperty("user"));