AIX

chmod 755 /home/user

mv /home/user/.bashrc /root/some_safe_place/backup/

touch /home/user/.bash_profile

$ cat somefile

# some disabled aliases
alias ls="echo ls "  
alias rm="echo rm" 

# Some allowed aliases
alias f='ferret -nojnl'
alias cls='clear'
alias cp='/bin/cp -i'
alias mv='/bin/mv -i'
alias md='mkdir'
alias m='/usr/local/Software/Matlab_09/bin/./matlab'
alias ncml='/usr/local/www/html/TOMCAT_DEMO/tomcat/JAVA/jre1.7.0_45_64/bin/java -jar /home/akshay/Documents/toolsUI-4.2.jar &'

# Get the aliases and functions
if [ -f ~/.somefile ]; then
	. ~/.somefile
fi

# Some User specific environment and startup programs
PATH=$PATH:$HOME/bin
export PATH

chown root:root /home/user/.bash_profile

chmod 755 /home/user/.bash_profile