Learn Linux Shell Scripting - Fundamentals of Bash 4.4

chown

Description	Change file owner and group. Only executable with root permissions.
Syntax	chown [OPTION]... [OWNER][:[GROUP]] FILE...
Practical uses	chown user: <file>: Change ownership to the user and their default group. chown -c: Like verbose, but report only when a change is made. chown --reference=RFILE: Copy the ownership from a reference file. chown -R: Operate on files and directories recursively.