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Extended Shell Scripts: ............................................................................ 63<br />
<strong>Unix</strong>- Using Variables............................................................. 64<br />
Variable Names: ....................................................................................... 64<br />
Defining Variables: ................................................................................... 64<br />
Accessing Values: .................................................................................... 65<br />
Read-only Variables: ................................................................................ 65<br />
Unsetting Variables: ................................................................................. 65<br />
Variable Types: ........................................................................................ 66<br />
<strong>Unix</strong>-Special Variables ........................................................... 67<br />
Command-Line Arguments: ..................................................................... 68<br />
Special Parameters $* and $@: ............................................................... 68<br />
Exit Status: ............................................................................................... 69<br />
<strong>Unix</strong> – Using Arrays ............................................................... 70<br />
Defining Array Values:.............................................................................. 70<br />
Accessing Array Values: .......................................................................... 71<br />
<strong>Unix</strong> - Basic Operators .......................................................... 72<br />
Arithmetic Operators: ............................................................................... 73<br />
Relational Operators: ............................................................................... 74<br />
Boolean Operators: .................................................................................. 76<br />
Example: .................................................................................................. 76<br />
String Operators: ...................................................................................... 77<br />
Example: .................................................................................................. 78<br />
File Test Operators: ................................................................................. 79<br />
Example: .................................................................................................. 80<br />
C Shell Operators: .................................................................................... 81<br />
Arithmatic and Logical Operators: ............................................................ 81<br />
File Test Operators: ................................................................................. 82<br />
Korn Shell Operators: ............................................................................... 83<br />
Arithmatic and Logical Operators: ............................................................ 83<br />
File Test Operators: ................................................................................. 83<br />
<strong>Unix</strong> – Decision Making .......................................................... 85<br />
The if...else statements: ........................................................................... 85<br />
if...fi statement .......................................................................................... 85<br />
Syntax: ..................................................................................................... 85<br />
Example: .................................................................................................. 86<br />
if...else...fi statement ................................................................................ 86<br />
Syntax: ..................................................................................................... 86<br />
Example: .................................................................................................. 86<br />
if...elif...else...fi statement ......................................................................... 87<br />
TUTORIALS POINT<br />
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