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Does Linux terminal have math?
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.
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Arithmetic.
| +, – | Addition, subtraction |
|---|---|
| *, / , % | Multiplication, division, remainder |
| ** | Exponent value |
What is $? In Linux?
The $? variable represents the exit status of the previous command. … As a rule, most commands return an exit status of 0 if they were successful, and 1 if they were unsuccessful. Some commands return additional exit statuses for particular reasons.
