Bash

Sort by count reverse

awk -F ‘:’ {'print $1'} 1.txt | sort | uniq -c | sort -nr

Prompts

PS1='{\u \! \w}\n\$ '

Bash Alias

alias ll='ls -lrth'
alias listvpn='ps auxww | grep -E '\''v2ray|kcptun'\'' | grep -v grep'
alias killvpn='ps auxww | grep -E '\''v2ray|kcptun'\'' | grep -v grep | awk '\''{print $2}'\'' | xargs kill'