chmod 001 FILENAME

chmod --x------ FILENAME

chmod 100 FILENAME” or “chmod --x------ FILENAME“, The CHMOD command sets the file permissions to “--x------” meaning that only the owner has permission to execute the file, while the group and public users are denied any access.

MeaningNumericSymbolic
The Owner (user) has Execute permissions1--x
The Group has no permissions0---
The Public has no permission0---
Owner
Group
Public