How to Use the Linux Terminal as a Calculator

To open it, simply type calc in a terminal and hit Enter. Like bc, you'll need to use typical operators. For example, 5 * 5 for five multiplied by five. When you type a calculation, hit Enter.

1. Which command gives a command line calculator?
2. How do I use math in Linux terminal?
3. How do you add numbers in Linux terminal?
4. How do you page up in Linux terminal?
5. How do you calculate in terminal?
6. Which command is used to show any message on Linux terminal?
7. How do you calculate in Linux?
8. How do you do math on Linux?
9. How do you sum in Linux?
10. How do you add two numbers in terminal?
11. How do you add two variables in Linux?
12. How do I run a shell script?

Which command gives a command line calculator?

bc command is used for command line calculator. It is similar to basic calculator by using which we can do basic mathematical calculations. Arithmetic operations are the most basic in any kind of programming language.

How do I use math in Linux terminal?

We are using the Ubuntu command line, the Terminal, in order to perform all the mathematical operations. You can open the Terminal either through the system Dash or the Ctrl+Alt+T shortcut.
...
Arithmetic.

How do you add numbers in Linux terminal?

If you want the user to input the number as an argument to the script, you can use the script below: #!/bin/bash number="$1" default=10 sum=`echo "$number + $default" | bc` echo "The sum of $number and 10 is $sum." Check: ./temp.sh 50 The sum of 50 and 10 is 60.

How do you page up in Linux terminal?

1. Page-up: shift+fn+UpArrow.
2. Page-down: shift+fn+DownArrow.
3. Line-up: shift+control+UpArrow.
4. Line-down: shift+control+DownArrow.
5. Home: shift+fn+LeftArrow.
6. End: shift+fn+RightArrow.

How do you calculate in terminal?

Calculations with Calc

To open it, simply type calc in a terminal and hit Enter. Like bc, you'll need to use typical operators. For example, 5 * 5 for five multiplied by five. When you type a calculation, hit Enter.

Which command is used to show any message on Linux terminal?

5 Answers. Normally, a welcome message can be shown by customizing the /etc/motd file (which stands for Message Of The Day). /etc/motd is not a script but a text file which contents are shown before the first prompt of a login session.

How do you calculate in Linux?

expr & echo : Linux command is used for very basic math calculation.
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Simply type "bc" on your terminal to launch the bc command and use the following symbols for calculation:

1. Plus : Addition.
2. Minus : Subtraction.
3. Forward Slash : Division.
4. Asterisk: Used for Multiplication.

How do you do math on Linux?

5 Useful Ways to Do Arithmetic in Linux Terminal

1. Using Bash Shell. The first and easiest way do basic math on the Linux CLI is a using double parenthesis. ...
2. Using expr Command. The expr command evaluates expressions and prints the value of provided expression to standard output. ...
3. Using bc Command. ...
4. Using Awk Command. ...
5. Using factor Command.

How do you sum in Linux?

1. sum -r: This option will use BSD sum algorithm, use 1K blocks. Example: sum -r myfile.txt.
2. sum -s: This option will use System V sum algorithm, use 512 bytes blocks. Example: sum -s myfile.txt.
3. sum –help : This option displays the help text and exit. ...
4. sum –version : This option will show the version information and exit.

How do you add two numbers in terminal?

1. #!/bin/bash.
2. echo -n "Enter the first number : "
3. read num1.
4. echo -n "Enter the second number : "
5. read num2.
6. sum=`expr $num1 + $num2`
7. echo "sum of two value is $sum"

How do you add two variables in Linux?

How to add two variables in shell script

1. initialize two variables.
2. Add two variables directly using $(...) or by using external program expr.
3. Echo the final result.

How do I run a shell script?

Steps to write and execute a script

1. Open the terminal. Go to the directory where you want to create your script.
2. Create a file with . sh extension.
3. Write the script in the file using an editor.
4. Make the script executable with command chmod +x <fileName>.
5. Run the script using ./<fileName>.