Linux Basics

Linux File System:

Here’s what you need to know about filesystems:
✓ Linux uses a forward slash (/) between directories, not the backslash
(\) that Windows uses. So, the file yum.conf in the directory etc is
etc/yum.conf.
✓ Files and directories can have names up to 256 characters long, and
these names can contain underscores (_), dashes (-), and dots (.) any-
where within. So my.big.file or my.big_file or my-big-file are
all valid filenames.
✓ Upper- and lowercase matter. They have to match exactly. The files
yum.conf and Yum.conf are not the same as far as Linux is concerned.
Linux is case-sensitive — it pays attention to the case of each character.
Windows, on the other hand, is case-insensitive.
✓ The same filesystem can span multiple partitions, hard drives, and
media (such as CD-ROM drives). You just keep going down through
subdirectories, not having