Q: Remove the spaces from the following sentence: Care should be taken to make sure that they are not overused.
A: [Careshouldbetakentomakesurethattheyarenotoverused.]

Q: Remove the spaces from the following sentence: Synonyms flannel, gabardine, tweed
A: [Synonymsflannel,gabardine,tweed]

Q: Remove the spaces from the following sentence: Holiday Apartment for rent Zelena Voda Slovakia - From vacation rental agency
A: [HolidayApartmentforrentZelenaVodaSlovakia-Fromvacationrentalagency]

Q: Remove the spaces from the following sentence: They share many similarities such as Desktop Environments, An Init system (for those who did not switch to systemD in Linux), POSIX interface, and more. However, again, Linux is not UNIX, it's just a clone.
A:
[TheysharemanysimilaritiessuchasDesktopEnvironments,AnInitsystem(forthosewhodidnotswitchtosystemDinLinux),POSIXinterface,andmore.However,again,LinuxisnotUNIX,it'sjustaclone.]