One of the ways to free up disk space on the system is to delete old files which are no longer needed after a certain period of time. It can...
Linux
Directories can contain a lot of files. When working with filesystem, may need to determine how many files are in a given directory and subdirectories. This tutorial shows how to...
Directory can contain many subdirectories and files inside it. When working with filesystem in Linux, might be need to remove all files and subdirectories contained in a directory. This process...
When working with files in Linux, there might be required to clear the contents of a file without deleting file itself. One way to achieve that would be to open...
In Linux operating system all executed commands are tracked and stored in the history file. It can be used to view and recall the past commands. However, for security reasons...
Swap memory is a storage space on the disk which is used when there is no RAM space available for programs execution. Can happen that system uses swap memory even...
APT package manager allows to install packages on Debian, and Debian-based Linux distributions. APT store copy of the Debian packages (.deb) in the cache. It helps when want to reinstall...
The httpbin.org is a web service that accepts HTTP requests and returns a response. It is useful for testing HTTP clients using various HTTP methods, status codes, response formats, and...
The wttr.in is a weather forecast service that allows to view the weather forecast via command line. You don't need to install wttr.in in your system. All you need to...
Linux kernel is the main component of the Linux operating system. To determine which Linux kernel version is running on the system can be useful when troubleshooting issues.
This tutorial...