linux command to list directories and subdirectories code example

Example 1: bash list all files in directory and subdirectories

# Bash-specific

# syntax 
ls -R <file-or-directory-to-find>

# example
ls -R *hotographi*

Example 2: bash how to create directories in all subdirectories

# Example usage:
for dir in */; do mkdir -- "$dir"/{dir1,dir2,dir3}; done
# This creates directories dir1, dir2, and dir3 in all directories 
# found in the current directory.