unalias

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#alias df='df -TH'
[root@noisecover-dr ~]# df
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/sys-root
ext3 241G 31G 198G 14% /
/dev/sda1 ext3 104M 19M 80M 19% /boot
tmpfs tmpfs 2.1G 0 2.1G 0% /dev/shm
/home/davsingh/Desktop/rhel-server-5.5-i386-dvd.iso
iso9660 3.2G 3.2G 0 100% /rhel5.5/ISO

#unalias df
[root@noisecover-dr ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/sys-root 234410632 29446100 192864948 14% /
/dev/sda1 101086 18176 77691 19% /boot
tmpfs 2022912 0 2022912 0% /dev/shm
/home/davsingh/Desktop/rhel-server-5.5-i386-dvd.iso
3038672 3038672 0 100% /rhel5.5/ISO

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