r-xrwx--x

r-xr--r-t

r-xrwxr-x

r-xrw-rwx

environment variables

default variables

local variables

current variables

A dash (-)

An asterisk (*)

A double slash (//)

A period (.)

xz alphabet.txt

xzcat alphabet.txt.xz

ls alphabet* xz

xz alphabet.txt.xz

Downloads software from the Internet

Emails you when software is out of date

Can optionally repartition your disk to make room for Linux

Performs a fresh install of Linux

/var/share/doc

/usr/share/doc

/usr/lib/doc

/var/lib/doc

A user can connect to a server over the network and use a virtual console

A machine can swap memory to disk

A single host can be split up into multiple guests

Many users can share one hard drive

Using cpio to list an archive’s contents

Using cpio to delete all archive's files

Using cpio to restore files to a different directory location

Using cpio to create an archive

/etc

/home

/usr

/mnt

Security Server

File Server

Mail Server

Web Server