Bash is the shell, or command language interpreter, for Linux operating system.
A shell is a command-line interpreter and typical operations performed by shell scripts includes file manipulation, program execution, and printing text.
Arithmetic operators are used to perform normal arithmetics/mathematical operations. As like other programs it performs basic mathematic functions. There are 7 arithmetic operators.
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A Relational operators are those which defines the relation between two operands. They give either true or false depending upon the relation between the operands.
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Logical Operators are also known as boolean operators. These are used to perform logical operations. It will return two values that is either the output will be true or false. We can make decision regarding an process to proceed.
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A bitwise operator is an operator which used to perform bitwise operations on bit patterns. It converts the operands into binary data and then perform necessary operations bit by bit.
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