نرم افزارهای رایگان

sudo add-apt-repository --remove ppa:PPA_NAME/ppa

ls -lh /etc/apt/sources.list.d
total 20K
-rw-r--r-- 1 root root  79 Jan 19 10:35 arc-theme.list
-rw-r--r-- 1 root root  79 Jan 19 10:35 arc-theme.list.save
-rw-r--r-- 1 root root 124 Jan 19 10:35 numix-ubuntu-ppa-yakkety.list
-rw-r--r-- 1 root root 189 Jan 19 10:35 snwh-ubuntu-pulp-yakkety.list
-rw-r--r-- 1 root root 189 Jan 19 10:35 snwh-ubuntu-pulp-yakkety.list.save

sudo rm -Rf /etc/apt/sources.list.d/PPA_NAME.list

sudo rm -Rf /etc/apt/sources.list.d/arc-theme.list

sudo apt install ppa-purge

sudo ppa-purge PPA_NAME