How do you comment out a block 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?

Commenting and uncommenting blocks of code

To add or remove a block comment, do one of the following: On the main menu, choose Code | Comment with Block Comment. Press Ctrl+Shift+/ .

How do I write comments in Linux?

Comments can be added at the beginning on the line or inline with other code:

  1. # This is a Bash comment. …
  2. # if [[ $VAR -gt 10 ]]; then # echo “Variable is greater than 10.” # fi.
  3. # This is the first line. …
  4. << ‘MULTILINE-COMMENT’ Everything inside the HereDoc body is a multiline comment MULTILINE-COMMENT.

26 февр. 2020 г.

How do you comment out 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. What is the use of unix shell scripting?

How do you comment out a whole block of code?

To block comment /* */ code:

  1. In the C/C++ editor, select multiple line(s) of code to comment out.
  2. To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )
  3. To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+ )

What are comments?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

How do you comment out multiple lines in code blocks?

To block comment /* */ code:

  1. In the C/C++ editor, select multiple line(s) of code to comment out.
  2. To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )
  3. To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+ )

How do you comment multiple lines in Shell?

Commenting Multiple Lines

  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.

8 мар. 2020 г.

How do I use Linux?

Linux Commands

  1. pwd — When you first open the terminal, you are in the home directory of your user. …
  2. ls — Use the “ls” command to know what files are in the directory you are in. …
  3. cd — Use the “cd” command to go to a directory. …
  4. mkdir & rmdir — Use the mkdir command when you need to create a folder or a directory.

21 мар. 2018 г.

How do I comment a .sh file?

The # symbol still marks a comment; the # and anything following it is ignored by the shell. now run chmod 755 first.sh to make the text file executable, and run ./first.sh . Now let’s make a few changes. First, note that echo puts ONE space between its parameters.

How do you 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.

17 февр. 2010 г.

How do you comment a line in Shell?

  1. A word or line beginning with # causes that word and all remaining characters on that line to be ignored.
  2. These lines aren’t statements for the bash to execute. …
  3. These notes are called comments.
  4. It is nothing but explanatory text about script.
  5. It makes source code easier to understand.

How do you comment on a script?

To create a single line comment in JavaScript, you place two slashes “//” in front of the code or text you wish to have the JavaScript interpreter ignore. When you place these two slashes, all text to the right of them will be ignored, until the next line.

How do you comment multiple lines?

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 Cmd + / to comment out single lines or selected blocks.

How do you comment multiple lines on Spyder?

“comment multiple lines in spyder” Code Answer

  1. # Single line comment.
  2. Ctrl + 1.
  3. # Multi-line comment select the lines to be commented.
  4. Ctrl + 4.
  5. # Unblock Multi-line comment.
  6. Ctrl + 5.

2 июл. 2020 г.

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

Comments Within SQL Statements

  1. Begin the comment with a slash and an asterisk (/*). Proceed with the text of the comment. This text can span multiple lines. End the comment with an asterisk and a slash (*/). …
  2. Begin the comment with — (two hyphens). Proceed with the text of the comment. This text cannot extend to a new line.
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