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  柏青哥的 SuSE Linux -- 簡易的 Shell Scripts
  
  接著就可以開始宣告一些變數及編寫您欲執行的工作內容。撰寫完畢後，記得將 script 改成具有可執行的權限 ... 在 Linux 中，很多系統服務都是使用 case 流程來控制的，比方我想管理 atd ...
  
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  第二十一章 Shell Script - twbsd.org
  
  第二十四章 Shell Script 身為 UNIX 系統管理者除了要熟悉 UNIX 指令外，我們最好學會幾種 scripts 語言，例如 shell script 或 perl。學會 script 語言後，我們就可以將日常的 ...
  
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If / Else Statements (Shell Scripting) - Code Wiki

日期：2026-04-19

9 Jan 2014 ... Shell scripts use fairly standard syntax for if statements. The conditional statement is executed using ......

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Linux - Shell Script - Stony Brook University - Department of Applied Mathematics & Statistic

日期：2026-04-21

This variable consists of a string which records the name of the current directory. $term, $TERM The terminal type. ... Mathematical Operator in Shell Script Meaning Normal Arithmetical/ Mathematical Statements But in Shell For test statement with if -eq ...

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The Unix Shell's Humble If

日期：2026-04-19

2014年1月6日 - The Unix shell is often overlooked by software developers more familiar with ... an elif clause, executing the expressions under an else clause, or simply doing nothing. if ......

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Writing shell scripts - Lesson 9: Flow Control - Part 1

日期：2026-04-21

First form if condition ; then commands fi # Second form if condition ; then commands else commands fi ......

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If..else..fi - Linux Shell Scripting Tutorial - A Beginner's handbook

日期：2026-04-20

if..else..fi allows to make choice based on the success or failure of a command. For example, find out if ......

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test (Unix) - Wikipedia, the free encyclopedia

日期：2026-04-20

test is a command-line utility found in Unix-like operating systems that evaluates conditional expressions. Contents. 1 Syntax; 2 Description; 3 Functions....

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The classic test command [Bash Hackers Wiki]

日期：2026-04-19

This command allows you to do various tests and sets its exit code to 0 (TRUE) or 1 (FALSE) whenever such a test succeeds or not. Using this exit code, it's ......

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LSST v1.05r3 > Chapter 3 > test command or [ expr ]

日期：2026-04-18

test command or [ expr ] is used to see if an expression is true, and if it is true it return zero(0), otherwise returns nonzero for false. Syntax: test expression OR ......

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