Linux使用痕迹
来自三线的随记
last ---> /var/log/wtmp
lastlog ---> /var/log/lastlog
history ---> ~/.bash_history
lastb ---> /var/log/btmp
history相关变量
export HISTSIZE=0
export HISTFILE=/dev/null
export HISTCONTROL=ignorespace
export HISTCONTROL=ignoredups
export HISTCONTROL=ignoreboth