reference of this article from : www.orskl.com CONDITIONS & INTERACTIVE SCRIPTS IF clause Advanced IF usage CASE statements Display user messages User input 1.IF clause General At times you need to specify different courses of action to be taken in a shell script, depending on the… Read More
Unix Shell Scripting For DBA’s (PART – 08) Continuing from previous article. Unix Shell Scripting For DBA’s (PART – 07) 3.AWK programming This filter is among the most powerful filter which in itself a scripting language this filter was invented by three authors A-aho W-whenenberg… Read More
Unix Shell Scripting For DBA’s (PART – 07) GNU GNU stand for “GNU’s Not Unix!” reference of this article from : www.orskl.com It is a recursive acronym chosen because GNU’s design is Unix-like, but differs from Unix by being free software and containing no Unix code. Here we… Read More
Creation of Directories in Unix file system. What exactly is a directory ? we can say a directory is collection of files where files can be stored which will be helpful for the user to search the file Directory name Typical contents… Read More
Unix Shell Scripting For DBA’s (PART – 06) reference of this article from : www.orskl.com refer previous article https://www.ktexperts.com/unix-shell-scripting-for-dbas-part-05/ Regular expressions What are regular expressions? A regular expression is a pattern that describes a set of strings. Regular expressions are constructed analogously to arithmetic expressions… Read More
Unix Shell Scripting For DBA’s (PART – 05) reference of this article from : www.orskl.com Expansions and aliases General After the command has been split into tokens (see Section 1.4.1.1), these tokens or words are expanded or resolved. There are eight kinds of expansion performed, which… Read More
Unix Shell Scripting For DBA’s (PART – 04) reference of this article from : www.orskl.com BASH ENVIRONMENT In BASH ENVIRONMENT we have sub topics . They are : 1. Initialization 2. Variables and characters 3. Expansions and Aliases 4.Regular expressions 5.Grep examples 6.Pattern matching 1. Initialization … Read More
Unix Shell Scripting For DBA’s (PART – 03) reference of this article from : www.orskl.com Debugging on the entire script When things don’t go according to plan, you need to determine what exactly causes the script to fail. Bash provides extensive debugging features. The most common… Read More
Unix Shell Scripting For DBA’s (PART – 02) Please refer my previous article. Unix Shell Scripting For DBA’s (PART – 01) Building blocks Shell building blocks: Shell syntax If input is not commented, the shell reads it and divides it into words and operators,… Read More
Creation of Files in UNIX (Session-03). LOGIN IN : As discussed earlier this is one sort of security measure as soon as user switch on the system the user will be prompted for login id.This login id is created by the administrator(#). At the Login: prompt,… Read More
