Sometimes you may need to disable su access to one or more users on your system. Here is how to disable su access to sudo users in Linux.
CentOS/RHEL
Convert Text File to Excel Using Shell Script
Sometimes you may need to write text file data to excel or convert text to excel in bash, or bulk convert text files to spreadsheets. Here is how to do it.
How to Move Directory to Another Partition in Linux
When Linux directories grow in size, you may need to move them to other partitions. Here is how to move directory to another partition in Linux.
How to Search PDF File in Linux
How to Use Boolean Variables in Shell Script
Sometimes you may need to use boolean variables in shell script. Here is how to use boolean variables in shell script.
How to Concatenate String Variables in Shell Script
How to Iterate Over Arguments in Shell Script
Often you may need to loop through arguments in shell script. In this article, we will learn how to iterate over arguments in shell script.
Bash Script That Takes Optional Arguments
Sometimes you may need to create shell script that accepts optional arguments. Here is how to create bash script that takes optional arguments.
How to Test If Variable is Number in Shell Script
Often you may need to check if a variable is a number in shell script and process it. Here is how to test if variable is number in Shell Script.