How to find all files containing specific text on Linux?

http://stackoverflow.com/questions/16956810/how-to-find-all-files-containing-specific-text-on-linux

grep

grep -Ril "text-to-find-here" .

i stands for ignore case (optional in your case).
R stands for recursive.
l stands for "show the file name, not the result itself".
. stands for start directory

ack

# sudo apt install ack

ack stuff

# ignore a dir

ack --ignore-dir _site stuff

ack.png

https://forums.bunsenlabs.org/viewtopic.php?pid=51389

sift (fast!!!)

sift stuff

https://sift-tool.org/download

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