Operating Systems & Administration

[Day 6] 1. Spacing in Shell Scripting

D

DITISS Admin

•August 26, 2026•1 min read

Assignment Operator

When writing a variable assignment, there should not be any spaces between the variable name, assignment operator (
```
=
```
), and the value.
- Correct:
```
val=10
```
- Incorrect:
```
val = 10
```

Operators

When using operators, spaces should be included between operands and operators.
- Correct:
```
<operator1> <operand> <operator2>
```
- Incorrect:
```
<operator1><operand><operator2>
```

Conditional Statements

When writing an
```
if
```
statement, there should be spaces:
1. After
```
if
```
2. Before and after the condition inside the brackets.
- Correct:
```
if [ condition ]
```
- Incorrect:
```
if[condition]
```
  (This generates an error)

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