Возникает ошибка при вводе большинства команд под termux.
$ apt upgrade
Reading package lists... Done
Building dependency tree Reading state information... Done
Calculating upgrade... Done
The following package was automatically installed and is no longer required: ndk-stl
Use 'apt autoremove' to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
gt510lte:/data/data/com.termux/files/home # apt upgrade
sush: apt: not found