/var/cache/apt is not a file; it's a directory. The FHS makes this distinction for good reason. You are free to remove files in order to free up space, but leave the directories and their permissions unchanged.
/var/cache/apt is not a file; it's a directory. The FHS makes this distinction
for good reason. You are free to remove files in order to free up space, but
leave the directories and their permissions unchanged.