Execute

Execute

./file	Execute a file located in the current directory. The file must have execute permissions.
sh file	Execute a shell script using the Bourne shell (or compatible shell).
bash file	Execute a script using the Bash shell.
zsh file	Execute a script using the Zsh shell.
csh file	Execute a script using the C shell.
python [filename]	Executes the script using the Python interpreter (if it's a Python script).
source file	Read and execute commands from file in the current shell environment.
. file	Equivalent to source, reads and executes commands from file in the current shell.
exec file	Replace the current shell with file. The file must be executable.
nohup ./file &	Execute a file in the background, immune to logout. Useful for long-running processes.
xdg-open [filename]	Opens the file with the appropriate application based on its type (images, documents, etc.).

at

Schedule file for execution 5 minutes from now. atd service must be running:

echo "./file" | at now + 5 minutes

Cron

Add a cron job by editing the crontab with crontab -e, then add a line according to the desired schedule:

* * * * * /path/to/file