Adding Arrays

Addition Operations

break

case statement

Command Substitutions

continue

decimal

Deleting Arrays

Deleting substring

elif staement

Extracting substring

for loop list/range

for loops C-style

if ... else

loop an array

nested if statement

Passing one Argument to a

power

read

remainder

Replacing substring

Simple arrays

Special bash variables

substring

until loop

Upper Lower case

Variables & Data types

while loop

#!/bin/bash

num=(1 2 3 4 5)
echo ${num[*]}

unset num[2]
echo ${num[*]}

unset num
echo ${num[*]}

# 1 2 3 4 5
# 1 2 4 5
#