01 . Installation of Snap in Kali Linux : https://github.com/msrsakib/solution/blob/master/Linux_Setup_FirstTime/Install_Snap_in_Kali_LInux.md
02 . Installation of Git in Kali Linux : https://github.com/msrsakib/solution/blob/master/Linux_Setup_FirstTime/prepare%20for%20git.md
03 . Arduino Port Issue Fixed in Kali Linux : https://github.com/msrsakib/solution/blob/master/Aurdino%20Port%20Issue%20in%20Linux%20Kali_Ubuntu.md
04 . [Fix] E: Could not get lock Ubuntu_Kali Linux : https://github.com/msrsakib/solution/blob/master/%5BFix%5D%20E:%20Could%20not%20get%20lock%20Ubuntu_Kali%20Linux.md
05 . Install Mailspring in Kali Linux : https://github.com/msrsakib/solution/blob/master/Linux_Setup_FirstTime/Install_Mailspring_in_Kali_Linux.md
After downloading "update" file open terminal in Downloads, run the commands:
~$ sudo -s
~$ mv update /usr/bin/
~$ chmod +x /usr/bin/update
For updating run the below command:
~$ sudo update