Should have been: '[...] but only checkS [...]'.
So there was a missing 's'. Architectures isn't the right word either.
I decided to write the whole sentence new.
not executing any processes when this command is being executed if the
user's numerical user ID, the user's name, or the user's home
directory is being changed. <command>usermod</command> checks this
- on Linux, but only check if the user is logged in according to utmp
- on other architectures.
+ on Linux. On other platforms it only uses utmp to check if the user is logged in.
</para>
<para>
You must change the owner of any <command>crontab</command> files or