Answer Posted / jayachandran.g.r
it is used to use arithmatic operation in shell scripting
stntx: expr op1 opertor op2
where op1 and op2 may be any integer no(without any
decimalpoint)and operator can be
+ Addition
- Subtraction
/ division
% Modular
\* Multiplication
EX: $expr 1 + 3
o/p 4
| Is This Answer Correct ? | 31 Yes | 18 No |
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