GNU FILE UTILITIES

cd /mnt

Changes the current directory to /mnt

ls

Lists files and directories

mkdir [options] <directory>

mkdir dos

Creates the new directory dos as a subdirectory of the current directory

rmdir [options] <directory>

Removes empty directory

mount /dev/hdb1 /mnt/dos

Mounts second ide hard drive

mount /dev/fd0 /mnt/floppy

Mounts first floppy drive

mount /dev/cdrom /mnt/cdrom

Mounts cdrom

umount /dev/fd0

umount /dev/cdrom

Unmounts floppy, cdrom; required before removing disk (note: no n in umount)

cp [options] <source> <destination>

cp ./homework /mnt/floppy

Copies file homework from current directory to floppy disk

mv [option] <source> <destination>

mv current old

Changes the name of the file current to old

mv ~/old ~/archives

Where archives is a subdirectory of ~ (home directory), moves file old to archives

df [options] [file]

Shows free space on filesystems

df .

Shows free space on the filesystem containing the current directory