$ ls -la ~/essays/

Essays

total 2 files

$ grep --topic=

-rw-r--r--1 chet chetJan 04 00:00

Fundamental of Electricity for Electronics

Getting a grasp of the fundamentals of electricity as it relates to electronics

[Physics]

-rw-r--r--1 chet chetJan 01 00:00

[Computer Science][Mathematics]