Answer: 1. To print the size of my home directory $HOME we use: echo “$(du –sm $HOME)mb” 2. For just path we use: echo $PATH To include the /sbin directory: set PATH = ($PATH /usr/local/sbin) echo $PATH 3. For creating alias for ls and color coding: alias ls = “ls –l –-color \" Solution Answer: 1. To print the size of my home directory $HOME we use: echo “$(du –sm $HOME)mb” 2. For just path we use: echo $PATH To include the /sbin directory: set PATH = ($PATH /usr/local/sbin) echo $PATH 3. For creating alias for ls and color coding: alias ls = “ls –l –-color \".