$ curl cheat.sh/
 cheat:chown 
# Change a file's owner:
chown <user> <file>

# Change a file's owner and group:
chown <user>:<group> <file>

# Set user to match group value
chown <user>: <file>

# Set group to match user value
chown :<group> <file>

# Change a directory's owner recursively:
chown -R <user> <directory>

# Change ownership to match another file:
chown --reference=<reference-file> <file>

 tldr:chown 
# chown
# Change user and group ownership of files and directories.
# More information: <https://www.gnu.org/software/coreutils/chown>.

# Change the owner user of a file/directory:
chown user path/to/file_or_directory

# Change the owner user and group of a file/directory:
chown user:group path/to/file_or_directory

# Recursively change the owner of a directory and its contents:
chown -R user path/to/directory

# Change the owner of a symbolic link:
chown -h user path/to/symlink

# Change the owner of a file/directory to match a reference file:
chown --reference=path/to/reference_file path/to/file_or_directory

$
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