Alpine: change current shell

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Alpine change current shell

// change current shell
# vi /etc/passwd
# change by dijk
root:x:0:0:root:/root:/bin/ash
#root:x:0:0:root:/root:/bin/bash

// see current shell
# echo $0
or
# echo $SHELL

// see valid login shells
# cat /etc/shells
# valid login shells
/bin/sh
/bin/ash
/bin/bash