PL/SQL is a block-structured language that combines SQL's functionality with procedural commands. In this article, we will discuss a program in PL/SQL to reverse a given number for example −Input : 98765 Output : 56789 Explanation : reverse number of 98765 is 56789. Input : 56784 Output : 48765 ... Read More

The dutree is an open-source and free command line tool in Linux that lets you analyze disk usage and display the output in a colored format. This command combines two well-known Linux commands, the durep (generates disk usage report) and the tree (lists the contents of a directory in tree ... Read More

In Linux, command substitution allows a user to use the output of a command as an argument for other commands. Here you can substitute all commands that can write standard output. Moreover, you can use the command substitution to create a shell script and save the command's output as a ... Read More

EasyTAG comes in handy when editing associated text tags of an image, audio, or video. It is an open-source, cross-platform, feature-rich, and free tool released under the GNU General Public License. EasyTAG tool acts as a backbone for animation, video, audio, application, etc., in which the details of the ... Read More

Listing the size of each file and directory is good because it helps a user sort them according to the size. Sorting files according to size is necessary to free up space, make them more organized, etc. You can organize the Linux file system through the command line and graphical ... Read More

A soft link (symlink or symbolic link) is generated as a shortcut to the available files or folders in the system. Usually, these soft links are used to link libraries. Soft links allow storing multiple clones of the same document in different file systems or destinations. This link refers to ... Read More

You can use various types of commands to get the total size of all files in a directory on Linux. There are also some GUI tools in Linux to display the total size of the directory in a more simple format. Getting the correct information about the directories can help ... Read More

Groups in Linux are the collection of all the users of a system. These groups offer a convenient and simple way for the system users to share the directories with no issues. A Linux system can have many users who are divided into several groups. Admin must rank each member ... Read More

Printing lines between two patterns is functional when you need to print only a few lines from these files or keep your lines under a specific pattern. Although you can print the lines through the grep command, it is impossible to print the particular line. In this case, you can ... Read More

Processing the commands in parallel can ease your work while executing multiple commands in Linux. As a Linux administrator, you can process multiple commands in parallel to perform various tasks, such as restarting services, installing system patches, and installing applications. Combining two or more commands in the command line is ... Read More