21-01-10

mount disket

-$ mount/dev/fdo mnt/floppy

-$ ls /mnt -utk version lama

-utk connect cd rom

-$ ls /media

-kita blh mount dlm mnt director.

$ mount /dev/cdrom/mnt/cdrom

-$ sudo mkdir /mnt/cdrom

=download satu imej file

-dsf.iso

$mount -o loop files .iso/mnt/cdrom

berapa byk space yg blh digunakan;
$ du -sh /var

sudo du-sh/var

-detail space yg byk digunakan

$du -sk *|sort -rn

then
-$ du -sk *|sort -n

utk lihat file lain

$ ls -lSr |more.

*common user group.
-terdpt beberapa file dlm user group;
=sales
=admin
=technical
=account

$ groupadd sales
$ sudo grounpadd sales

-utk delete
$ groupdel technical

utk tgk semua group dlm system;

$ cat /etc/groups

change group account name to marketing

-$groupmod -n marketing account

utk check
-$ cat /etc /group