linux append to file command line code example

Example 1: add a line at the end of a file linux

echo 'text here' >> filename

Example 2: bash add text to file

echo "hello world" >> my_file.txt

Example 3: bash append to a file

# Basic syntax:
command >> output_file # Append stdout to output_file

# Note, use > to overwrite file contents and >> to append to a file
# Note, if the output_file doesn't exist, it will be created