You need to find all occurrences of the term ‘error’ in ‘application.log’ and redirect both the output and errors from this operation to a file named ‘errors_found.txt’. Which command should you use?

A Linux system administrator has been notified that a specific application, ‘app_service’, is not responding. Which command should they use to check if the ‘app_service’ process is currently running on the system?

To optimize their Docker image for a Python-based web application, a developer decides to use a multi-stage build process. What is the primary reason for using multi-stage builds in this context?

You want to create a symbolic link named ‘latest_report’ that points to a file named ‘annual_report_2023.txt’ within the same directory. Which command should you use?

A Linux administrator is troubleshooting a Docker container that fails to communicate with external network resources. Which command should the administrator use to inspect the network configuration of the problematic container named ‘app_container’?