VBA – Error Handling
There are three types of errors in programming: (a) Syntax Errors, (b) Runtime Errors, and (c) Logical Errors. Syntax errors Syntax errors, also called as …
Scripting
Unix / Linux – Signals and Traps
Signals are software interrupts sent to a program to indicate that an important event has occurred. The events can vary from user requests to illegal …
Unix / Linux – System Logging
Unix systems have a very flexible and powerful logging system, which enables you to record almost anything you can imagine and then manipulate the logs …
Unix / Linux – System Performance
We will introduce you to a few free tools that are available to monitor and manage performance on Unix systems. These tools also provide guidelines …
Unix / Linux – User Administration
There are three types of accounts on a Unix system − Root account This is also called superuser and would have complete and unfettered control of the …
Unix / Linux – File System Basics
A file system is a logical collection of files on a partition or disk. A partition is a container for information and can span an …
Unix / Linux – Regular Expressions with sed Command
A regular expression is a string that can be used to describe several sequences of characters. Regular expressions are used by several different Unix commands, …
