7-zip

Compress encrypted via CLI

7z a -t7z -m0=lzma2 -mx=9 -mfb=64 -md=32m -ms=on -mhe=on -p dir.7z *

• -t7z: Use 7-zip format
• -m0=lzma2: Use LZMA2 compression method
• -mx=9: Use compression level 9 = ultra
• -mfb=64: Number of fastbytes for LZMA
• -md32m: Dictionary size of 32MB
• -ms=on: Create a solid archive
• mhe=on: Encrypt headers, too
• -p: Promt for passwort to encrypt (you can ender the password directly after but it might be stored in the CLI's history)
• dir.7z the name of the 7-zip file to create
• *: Include all files in the current directory