[Trisquel-users] Re : Bootable Ubuntu USB using Trisquel?

[lcerf]

100 times *slower* (in terms of throughput). For HDD disks. For SDD, it is  
closer to 10 times slower than RAM.

You usually need not execute 'sync': when you unmount a filesystem, it is  
automatically called (well, the corresponding kernel directive, not the  
userland command).