和历史命令相关的变量 在历史记录中显示时间 改变历史记录的大小限制. 用HISTFILE改变存放历史命令的文件. 用HISTCONTROL来删除重复的历史记录 在历史命令中去重 不记录某些命令 禁止记录历史命令 不记录某些命令II 扩展阅读 和历史命令相关的变量 在历史记录中显示时间 我们可以用HISTTIMEFORMAT 这个...

自定义PS1 1.在提示符里输出用户名,主机名, 当前目录: 2.在提示符里输出当前时间: 3.显示任何命令: 4.用内部已有的代码自定义PS1 5.在PS1中运行自定义function 6.在PS1中运行脚本 自定义PS1 1.在提示符里输出用户名,主机名, 当前目录: export PS1 = "\u@\h \W> " ...

Hack 54. Execute previous command that starts with a specific word Hack 54. Execute previous command that starts with a specific word by Ramesh Type ! followed by the start...

Hack 30. PS2 – Continuation Interactive Prompt Hack 30. PS2 – Continuation Interactive Prompt by Ramesh A very long command can be broken down to multiple lines by giving \...

Hack 29. PS1 – Default Interaction Prompt Hack 29. PS1 – Default Interaction Prompt by Ramesh The default interactive prompt on your Linux can be modified as shown below to...

在 Shell 脚本中读文件内容 在 Shell 脚本中读文件内容 这个名字好长… 其实也没什么东西, 无非是重定向和read的组合拳. 不过嘛, 这一拳还是很给力的 :) 假设有这样一个文件: $ cat employees . txt Emma Thomas : 100 : Marketing Alex Jason : 200...

Hack 66. Format a partition using mke2fsk To format the disk, use mke2fs as shown below. Create ext3 filesystem Hack 66. Format a partition using mke2fsk by Ramesh After ...

Hack 16. SSH Session Statistics using SSH Escape Character 1. Login to remotehost from localhost. 2. Display SSH statistics Hack 16. SSH Session Statistics using SSH Escape C...

Hack 15. Toggle SSH Session using SSH Escape Character 1. Login to remotehost from localhost: 2. Now you are connected to the remotehost: 3. To come back to the localhost tempora...

Hack 87. Single Quote and Double Quote Inside Shell Script Single Quote Double Quote Hack 87. Single Quote and Double Quote Inside Shell Script by Ramesh Let us review ho...