CD /HDD Mount & Installing Package

# mkdir /mnt/test

# mount /dev/cdrom /mnt/test [to mount cdrom with the test directory]

# cd /mnt/test

# ls

[ # vi /etc/fstab then write /dev/cdrom /mnt/test iso9660 (for automount) ]

# mount /dev/sda1 [USB]

# mount /dev/fdo [floppy]

# mke2fs -j /dev/hda5 [to format D drive]

# mount /dev/hda5 [ to mount with D drive]

# rpm -ivh package_name [to install package]

# rpm -uvh package_name [to update package]

# rpm -e package_name [to uninstall package]

*RPM-> Redhat Package management.

# date [to show date]

# date monthdayhourminuteyear [to set date]

# at 9:30 [to schudule a task]

[# cp -r /root/a1 /home/a1 (this is a schedule)]

# vi f1

* * * * * command

minute hour day of month month of year day of week

00 10 * * * reboot

*To reboot the system at 10 am everyday.