In Linux, the history command is a utility that allows you to view a list of previously entered commands in the terminal. It is a useful utility to overlook the commands and then reuse them easily. While using too many terminal commands, Linux administrators recommend clearing the terminal’s ...
要剔除这些重复的条目,你可以将 HISTCONTROL 设置为 ignoredups:# pwd# pwd# pwd# history | tail -444 pwd45 pwd46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above]47 history | tail -4# export HISTCONTROL=ignoredups# pwd# pwd# pwd# history...
46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd # pwd # pwd # history | tail -3 56 export HISTCONTROL=ignoredups 57 pwd [Note that there is only one pwd command in t...
46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd ...
46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd # pwd # pwd # history | tail -3 56 export HISTCONTROL=ignoredups ...
46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # export HISTCONTROL=ignoredups # pwd # pwd # pwd # history | tail -3 56 export HISTCONTROL=ignoredups ...
audisp/ csh.cshrc filesystems hostname ld.so.conf.d/ motd plymouth/ rc4.d@ selinux/ sudoers vmware-tools/ audit/ csh.login firewalld/ hosts libaudit.conf mtab@ pm/ rc5.d@ services sudoers.d/ wgetrc bash_completion.d/ dbus-1/ fstab hosts.allow libnl/ my.cnf polkit-1/ rc6.d@ se...
这个是针对history命令的设置,The number of commands to remember in the command history. The default value is 500. export HISTFILESIZE=10000 这个是针对history文件(.bash_history)的设置,The maximum number of lines contained in the history file. When this variable is assigned a value, the his-tory...
history命令：用于显示历史记录和执行过的指令命令。history命令读取历史命令文件中的目录到历史命令缓冲区和...
pwd46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above]47 history | tail -4# export HISTCONTROL=ignoredups# pwd# pwd# pwd# history | tail -356 export HISTCONTROL=ignoredups57 pwd [Note that there is only one pwd command in the ...