Two Ways to do Text to Speech on a Mac

Speak Text
say "This is a test"
Speak Text in the Clipboard
pbpaste | say
Speak Text in the Clipboard using Voice “Samantha”
pbpaste | say -v Samantha
List All Voices
say -v ?
Highlight Text while Speaking
pbpaste | say -v Samantha -i
Slow Down Speech Rate
say -i -r 60 "This is a text"
Speed Up Speech Rate
say -i -r 360 "This is a text"
Speak Text in File
say -i -r 360 -f Declaration.txt
Save Spoken Audio to File
say -r 360 -f Declaration.txt -o declaration.aiff

The Basics of Using Command Line Compression Utilities (gzip, bzip2, xz and 7zip)

In this video I go over the basics of using command line compression utilities like gzip, bzip2, xz and 7zip. I use these on a Mac but they are also standand on most Linux distributions.

Installing Macports: https://youtu.be/N22Ic6ZRPXI

List Files
ls -lh
View Gzip Help
gzip -h
Compress tar Archive with Gzip
gzip -9 data.tar
Uncompress tar Archive with Gzip
gzip -d data.tar
Compress tar Archive with Gzip (keep original file)
gzip -9c data.tar > data.tar.gz
Compress tar Archive using 7zip
7z a data.tar.7z data.tar

The Basics of using the Command Line tar Utility

In this video I go over the basics of using the tar (tape archive) utility on a Mac. This utility is also standard on most Linux distributions.

List Files in Directory
ls -lh
List Files Recursively
ls -R
Create tar Archive
tar -cvf data.tar data
Create tar Archive and gzip
tar -cvzf data.tar.gz data
Create tar Archive and bzip
tar -cvjf data.tar.bz2 data
Extract from tar Archive
tar -xvf data.tar