All entries marked with FOLDOC are based on definitions in the Free Online Dictionary of Computing (, Denis Howe, editor. Used with permission.
See [private address space]
See [private address space]
See [private address space]
absolute pathname

A pathname that starts with the root directory (/). An absolute pathname locates a file without regard to the working directory.


In computer jargon a verb meaning to use, read from, or write to. To access a file means to read from or write to the file.

Access Control List
See [ACL]
access permission

Permission to read from, write to, or execute a file. If you have write access permission to a file, you can write to the file. Also, access ...

Get A Practical Guide to Red Hat® Linux® 8 now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.