All Blog Posts

What are the Differences Between Vi and Vim?
Review of the main differences between the Vi/Ex POSIX standard and the Vim implementation.
sudo: no tty present and no askpass program specified
Learn what is askpass and how to solve the 'sudo: no tty present and no askpass program specified' error when using sudo to execute a command.
What is the Bash Null Command?
Learn about the Bash null command, also known as the POSIX shell colon command. This post cover concrete use cases and pitfalls to avoid.
How To Format Date and Time in Linux, macOS, and Bash?
Find out how to manipulate date and time on linux and macOS systems as well as natively in the Bash shell. This post covers all you need to know to format a date from your shell.
How To Use Option as Meta Key in macOS Terminal?
The Meta Key is a modifier key that can be quite helpful to improve your productivity while working in a terminal and bash. This post cover how to enable from the command line the Meta Key in macOS Terminal.
How To Change Preferences from the Command Line on macOS?
Learn how to optimize your workflow on macOS by automating all your Finder and Applications preferences. This post introduce the use of the macOS command line 'defaults' and provide examples on how to programmatically change user preferences.
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