Echo Command in Linux with Examples

For example, Declare a variable of x and assign its value=10. Note: The '-e' option in Linux acts as interpretation of escaped characters that are backslashed.
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echo Options.

1. What is echo in Linux command?
2. How does echo work Linux?
3. Which command in Linux with examples?
4. How do you write echo in Unix?
5. What is echo $PATH in Linux?
6. Does Echo create a file?
7. What is for in terminal?
8. Who am I command in Linux?
9. How do I use Linux commands?
10. What does R mean in Linux?
11. What are the basic command in Linux?

What is echo in Linux command?

echo command in linux is used to display line of text/string that are passed as an argument . This is a built in command that is mostly used in shell scripts and batch files to output status text to the screen or a file.

How does echo work Linux?

echo is a built-in command in the bash and C shells that writes its arguments to standard output. ... When used without any options or strings, echo returns a blank line on the display screen followed by the command prompt on the subsequent line.

Which command in Linux with examples?

which command in Linux is a command which is used to locate the executable file associated with the given command by searching it in the path environment variable. It has 3 return status as follows: 0 : If all specified commands are found and executable.

How do you write echo in Unix?

echo Command

1. \\ - Displays a backslash character.
2. \a - Alert (BEL)
3. \b - Displays a backspace character.
4. \c - Suppress any further output.
5. \e - Displays an escape character.
6. \f - Displays a form feed character.
7. \n - Displays a new line.
8. \r - Displays a carriage return.

What is echo $PATH in Linux?

$PATH is an file location related environment variable. When one types a command to run, the system looks for it in the directories specified by PATH in the order specified. You can view the directories specified by typing echo $PATH in the terminal. ... You can look up your path by typing echo $PATH.

Does Echo create a file?

The echo command prints the strings that are passed as arguments to the standard output, which can be redirected to a file. To create a new file run the echo command followed by the text you want to print and use the redirection operator > to write the output to the file you want to create.

What is for in terminal?

The key use for ./ usually is to call a script/executable in the current directory. When you execute a command without specifiying it's directory (e.g. cp instead of /bin/cp ), the shell searches for this in all directories listed in the $PATH variable.

Who am I command in Linux?

whoami command is used both in Unix Operating System and as well as in Windows Operating System. It is basically the concatenation of the strings “who”,”am”,”i” as whoami. It displays the username of the current user when this command is invoked. It is similar as running the id command with the options -un.

How do I use Linux commands?

Linux Commands

1. ls — Use the "ls" command to know what files are in the directory you are in. ...
2. cd — Use the "cd" command to go to a directory. ...
3. mkdir & rmdir — Use the mkdir command when you need to create a folder or a directory. ...
4. rm - Use the rm command to delete files and directories.

What does R mean in Linux?

-r, --recursive Read all files under each directory, recursively, following symbolic links only if they are on the command line. This is equivalent to the -d recurse option.

What are the basic command in Linux?

Basic Linux Commands

• Listing directory contents ( ls command)
• Displaying file contents ( cat command)
• Creating files ( touch command)
• Creating directories ( mkdir command)
• Creating symbolic links ( ln command)
• Removing files and directories ( rm command)
• Copying files and directories ( cp command)