Getting to Know the Command Line (Mac OS)

https://davidbaumgold.com/tutorials/command-line/

The three standard components that make up command line syntax

Utility, flags, and arguments

Command used to view the manual documentation for a specified utility

man $UTIL

Command used to list the contents of a directory

ls $DIR

Command used to change the current working directory

cd $DIR

Command used to print the path of the current working directory

pwd

Command used to display and scroll through the contents of a file

less $FILE

Command used to copy a file from one location to another

cp $FILE $LOCATION

Command used to move a file to a new location

mv $FILE $LOCATION

Command used to permanently delete a file

rm $FILE

Command used to execute a command with elevated super user permissions

sudo $CMD

Command shortcut to navigate directly back to the home directory

cd ~

Command shortcut to move up one level to the parent directory

cd ..

Command option to list directory contents in long format with detailed information

ls -l

Command option to classify items by appending indicators (such as slashes for folders)

ls -F

Command option to display all items in a directory including hidden links

ls -a

Dangerous command that attempts to recursively delete every file on the system starting from root

sudo rm -rf /

Piece of code known as a fork bomb that recursively multiplies to exhaust system resources

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