Question – How do I list all the collections available in the MongoDB database? MongoDB is a NoSQL database, that…
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One of my development servers contains millions of files under a single directory. To free the disk space, we decided…
Concatenating strings in Bash is as simple as combining them with the double-quote (“ ”) character. However, if your strings…
tee is a command in Linux that reads from standard input and writes the output to both standard output and…
Shell, the command interpreter of an OS, processes the commands entered into the command line and widely used in Linux.…
The Zsh (Z shell) is a interactive login shell for the Unix/Linux systems. It has multiple improvement over the Bash…
What is Shell? Shell is a command interpreter or a program that reads and interprets commands issued to it by…
An array is a data structure consist multiple elements based on key pair basis. Each array element is accessible via…
The Python subprocess module allows to spawn of new processes, and execute external commands or scripts from the Python scripts.…
Question. I am running a Linux system (Ubuntu) system. Its root user has 100K emails to their mailbox. How do…