Change Conf. / Tweaks

Add Sudoer

Add user privillege in this file - /etc/sudoers

# User privilege specification
root    ALL=(ALL) ALL
mmahmood ALL=(ALL) ALL

Change Bash History Size

Change in .bashrc file:
HISTSIZE=15000
HISTFILESIZE=200000

Change GRUB Timeout

vi /etc/default/grub # Set GRUB_TIMEOUT=1
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