MKDIR

mkdir -p parentfolder/{subfolder1,subfolder2,subfolder3}
mkdir "Project "{"New Home","Vacation","To Do"}

Find all file with extension py
find . -iname '*.py' -print
find / \! -name "*.c" -print'

Find all directory
find . -type d -exec ls -al {} \;

List all file recursively
ls -al -R
find . -maxdepth 5 -type d
find . -type f -exec ls -al {} \;

Find empty folder
find . -type d -empty -print

DELETE/MOVE

sudo find . -iname "*.DS_Store" -exec rm {} \;
osascript -e 'tell application "Finder" to empty trash'
sudo find . -iname "*.DS_Store" -exec rm {} \;
find . -type d -empty -delete

Delete Empty folder
find . -type d -empty -delete

Move files with some extenuation:
find . -iname "*.mobi" -exec mv {} . \;

Remove DS_Store
sudo find . -iname "*.DS_Store" -print
sudo find . -iname "*.DS_Store" -exec rm {} \;

Remove empty directory
find . -type d -empty -exec rmdir {} \;

Install Brew
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Copy photos to a folder
find . -type f -exec mv -vn {} '/Volumes/Extreme SSD/PhotoStaging/' \; > ~/out1.txt

Unmount net drives
sudo umount -Af -t smbfs

Fix Camera Issue
sudo killall AppleCameraAssistant;sudo killall VDCAssistant

What port am I listing?
netstat -ap tcp | grep -i "listen"

Change ownership
sudo chown -R $(whoami):admin /usr/local/share

Brew
brew doctor

Rsync Rsync (delete src) rsync --dry-run --remove-source-files -azv $SRC $DEST rsycn Copy rsync -azv $SRC $DEST

While

while aws eks describe-cluster --name "eks-launch-work
    shop" --query cluster.status --output text | grep -q CREATING; do 
	echo still createing; sleep 60; done;

Until

until [[ `aws cloudformation describe-stacks --stack-name "eks-howto-workshop-worker-nodes" --query "Stacks[0].[StackStatus]" --output text` == "CREATE_COMPLETE" ]]; do  echo "The stack is NOT in a state of CREATE_COMPLETE at `date`";   sleep 30; done && echo "The  Stack is built at `date` - Please proceed"

Eval
https://linuxhint.com/bash_eval_command/ Change Display res
https://github.com/jhford/screenresolution.git

open -a "Google Chrome" --args --profile-directory=Default
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --args --profile-directory="Profile 3"