How do you comment out a block of code in Linux?

You start your editor, navigate down to the beginning row of the block you want to comment out. You hit i to go into insert mode, enter // to comment, hit ESC to go back to command mode, hit j to navigate down to the next row, and then repeat until all the rows are commented out.

How do you comment out a block in Linux?

Go to the line from which you want to start commenting. Then, press ctrl + v , this will enable the visual block mode. use the down arrow to select multiple lines that you want to comment.

How do you turn a block of code into a comment?

Comments can be added to single lines of code (Ctrl + /) or blocks of code (Ctrl + Shift + /).

How do you comment out a block in shell script?

In Vim:

  1. go to first line of block you want to comment.
  2. shift-V (enter visual mode), up down highlight lines in block.
  3. execute the following on selection :s/^/#/
  4. the command will look like this: :'<,’>s/^/#
  5. hit enter.
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How do you comment out multiple lines in code blocks?

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

How do I block comments in Unix?

Method 1: Using <<comment:

In Shell or Bash shell, we can comment on multiple lines using << and name of comment. we start a comment block with << and name anything to the block and wherever we want to stop the comment, we will simply type the name of the comment.

How do I comment a .sh file?

A single-line comment starts with hashtag symbol with no white spaces (#) and lasts till the end of the line. If the comment exceeds one line then put a hashtag on the next line and continue the comment. The shell script is commented out prefixing # character for single-line comment.

How do I comment multiple lines in Yaml?

yaml files), you can comment-out multiple lines by:

  1. selecting lines to be commented, and then.
  2. Ctrl + Shift + C.

How do you comment multiple lines in selenium?

For single line comment you can use Ctrl + / and for multiple line comment you can use Ctrl + Shift + / after selecting the lines you want to comment in java editor. On Mac/OS X you can use ⌘ + / to comment out single lines or selected blocks.

How do you comment multiple lines?

The keyboard shortcut to comment multiple in Windows is shift + alt + A .

How do you comment multiple lines in bash?

Unlike most of the programming languages, Bash doesn’t support multiline comments. The simplest way to write multiline comments in Bash is to add single comments one after another: # This is the first line. # This is the second line.

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How do you comment out a section in bash?

Example for Bash Single Line Comments

To write single line comments in bash, start the line with the hash symbol (#). HashBang (#!) in the first line of the script file is the only exception. Following is an example Bash Script that has single line comments in between commands.

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