# echo # Print given arguments. # More information: <https://www.gnu.org/software/coreutils/echo>. # Print a text message. Note: quotes are optional: echo "Hello World" # Print a message with environment variables: echo "My path is $PATH" # Print a message without the trailing newline: echo -n "Hello World" # Append a message to the file: echo "Hello World" >> file.txt # Enable interpretation of backslash escapes (special characters): echo -e "Column 1\tColumn 2" $Follow @igor_chubin cheat.sh tldr