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Until Loop

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Until loop executes until condition is true 

i=5
until [[ i -eq 10 ]]; do #Checks if i=10
    echo "i=$i" #Print the value of i
    i=$((i+1)) #Increment i by 1
done

Output: 

i=5
i=6
i=7
i=8
i=9

When i reaches 10 the condition in until loop becomes true and the loop ends.

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Control structures:
* Control Structures
* Conditional execution of command lists
* If statement
* Looping over an array
* Using For Loop to List Iterate Over Numbers
* Loop break
* For Loop with C-style syntax
* continue and break
* While Loop
* Switch statement with case
* For Loop without a list-of-words parameter
* Until Loop
* For Loop
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