解决linux系统不能使用方向键执行命令的问题

set -o | grep history

If you get "history off" then add this line at the end of your ~/.bashrc:

set -o history

Next try:

echo $HISTFILE

echo $HISTSIZE

echo $HISTFILESIZE

If the first one is blank or /dev/null, add this line to the end of your ~/.bashrc:

HISTFILE=$HOME/.bash_history

If either of the last two print 0, set them to some number like the default of 500:

HISTFILESIZE=500

HISTSIZE=500

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