Bash Comments

Bash comments can only be done as single-line comment using the hash character # . Every line or word starting by the # sign cause all the following content to be ignored by the bash shell. This is the only way to do a bash comment and ensure text or code is absolutely not evaluated in Bash.

1. How do I comment multiple lines in bash?
2. How do you comment in Shell?
3. How do I add a comment in terminal?
4. How do you indicate a comment line in a shell script?
5. How do you comment multiple lines?
6. How do you comment multiple lines in a shell script?
7. How do you comment code in bash?
8. How do you comment on Linux?
9. How do you comment in a script?
10. How do I comment out crontab?
11. How do I comment multiple lines in Yaml?
12. How do I block comments in bash?

How do I comment multiple lines in bash?

Multiple line comments:

There is no direct option to comment multiple lines in the bash script. You can use other features of bash to comment multiple lines in a script. One option is using 'here document' and another option is using ':'.

How do you comment in Shell?

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 I add a comment in terminal?

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 indicate a comment line in a shell script?

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.

How do you comment multiple lines?

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 a shell script?

For multiline comment use the following syntax:

1. #!/usr/bin/env bash # my comment 1 # my comment 2 # my comment N.
2. #!/bin/bash echo "Say Something" <<COMMENT1 your comment 1 comment 2 blah COMMENT1 echo "Do something else"

How do you comment code in bash?

In Bash, everything after the hash mark ( # ) and until the end of the line is considered to be a comment. If you have any questions or feedback, feel free to leave a comment.

How do you comment on Linux?

Whenever you want to comment a line, put a # in an appropriate place in a file. Anything beginning after # and ending at the end of the line won't get executed. This comments out the complete line. This comments out only the last part of the line starting at #.

How do you comment in 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 I comment out crontab?

Syntax of crontab File Entries

1. Use a space to separate each field.
2. Use a comma to separate multiple values.
3. Use a hyphen to designate a range of values.
4. Use an asterisk as a wildcard to include all possible values.
5. Use a comment mark (#) at the beginning of a line to indicate a comment or a blank line.

How do I comment multiple lines in Yaml?

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

How do I block comments in bash?

There is no block comment on shell script. (that reads, from line 10 to 100 substitute line start (^) with a # sign.) (that reads, from line 10 to 100 substitute line start (^) followed by # with noting //.) vi is almost universal anywhere where there is /bin/sh .