MFAYSAL.DEV
Mfaysal IGNEW · Pro

// notes/

Linux

Coding tips and build notes by Mahir Faysal, a student web developer in Bangladesh: tested Python, HTML, CSS, JavaScript and PHP tutorials, plus notes from my Next.js and Gemini projects. Sample posts are marked and drafts stay in the admin area.

All notes Coding tips · 101 Learning notes · 16 Practice · 1
#Beginners #JavaScript #UK #PHP #Cybersecurity #Finance #Python #Security #UK Calculators #Forms #Windows #Employment #Git #Income Tax #CSS #Privacy #TypeScript #Dates #Files #HTML #Next.js #PDO #Gemini API #Images
How to Verify a File Checksum (SHA-256) on Windows, Mac and Linux
Coding tips

How to Verify a File Checksum (SHA-256) on Windows, Mac and Linux

To verify a file checksum, work out the file's SHA-256 hash with Get-FileHash or certutil on Windows, shasum -a 256 on a Mac or sha256sum on Linux, then compare it with the value the publisher printed. If they differ by even one character, don't open the file.

October 22, 2026 · 11 min read · 2 views

// filter

You are inside a slice of the notes.

This view is only the category, tag, or search you asked for. Sample warnings still apply on any article that carries them. Drafts are still hidden. The full list is the learning notes page, which also explains how a note is written and why some posts are marked Sample.