fstab is:
1. fs_spec
2. fs_file
3. fs_vfstype
4. fs_mntops
5. fs_freq
6. fs_passno
In other words it's:
SOURCE,TARGET,TYPE,OPTIONS,FREQ,PASS
Print fstab with header line and align number to the right:
....
-sed 's/#.*//' /etc/fstab | column --table --table-columns SOURCE,TARGET,TYPE,OPTIONS,PASS,FREQ --table-right PASS,FREQ
+sed 's/#.*//' /etc/fstab | column --table --table-columns SOURCE,TARGET,TYPE,OPTIONS,FREQ,PASS --table-right FREQ,PASS
....
Print fstab and hide unnamed columns: