Linux especially slackware has a very unique way to store file in the harddisk. Beside the name of the file, linux has a term called inode. This is some kind of number form of file indicated the location of in the hard drive.
We can delete the file according to its filename or its inode number.
Here is to find out
#stat filename
or
#ls -il filename
sample
File: `inq_timeout’
Size: 2 Blocks: 8 IO Block: 4096 regular file
Device: 301h/769d Inode: 933088 Links: 1
Access: (0644/-rw-r–r–) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2009-11-06 07:23:43.000000000 +0700
Modify: 2009-09-10 12:52:56.000000000 +0700
Change: 2009-09-10 12:52:56.000000000 +0700