export HISTORY_FILE=/var/log/history/${LOGNAME}/`date '+%Y-%m-%d_%T'`.log &> /dev/null#自定义日志文件路径及名称 export PROMPT_COMMAND='{ date +" $(who am i |awk "{print \$1\" \"\$2\" \"\$5}") $(history 1 | { read x cmd
Bash shell 在显示 PS1 变量之前执行 PROMPT_COMMAND 的内容。 ramesh@dev-db~>exportPROMPT_COMMAND="date +%k:%m:%S"22:08:42ramesh@dev-db~>[Note:This displays thePROMPT_COMMANDandPS1output on different lines] 如果要在与 PS1 相同的行中显示 PROMPT_COMMAND 的值,请使用 echo -n ,如下所示。 ra...
传统收集交互式shell输入的方法,主要是通过PROMPT_COMMAND这种方式,具体可以参考下文: BASH脚本基础:环境变量PROMPT_COMMAND介绍_知行合一 止于至善-CSDN博客_prompt_command但这种方式存在几个问题: 1、大多…
Shell Prompts in Command ExamplesThe following table shows the default UNIX® system prompt and superuser prompt for the C shell, Bourne shell, and Korn shell.Table P–2 Shell Prompts Shell Prompt C shell machine_name% C shell for superuser machine_name# Bourne shell and Korn sh...
Command Prompt(Windows):默认样式:C:\current_directory> 示例:C:\Users\John> Zsh Shell(常见于...
2. PS2 – Continuation interactive prompt A very long unix command can be broken down to multiple line by giving \ at the end of the line. The default interactive prompt for a multi-line command is “> “. Let us change this default behavior to display “continue->” by using PS2 envi...
Note: To exit from Terminal, type exit, press Enter then press Command + Q.Using Secure Shell (SSH)A Secure Shell (SSH) utility allows a computer to open an encrypted command or shell prompt on a remote system.Note: Use this method when opening a shell prompt on a remote ESX host. ...
Displaying the command number in shell prompt The\!string displays command number in history. The\#string displays the command number in the current shell session. #PS1="\! " #PS1="\# " Displaying the current time in the shell prompt ...
command 1>> filename 把标准输出重定向到filename文件中(追加) command 2> filename 把标准错误重定向到filename文件中(覆盖) command 2>> filename 把标准输出重定向到filename文件中(追加) command > filename 2>&1把标准输出和标准错误一起重定向到filename文件中(覆盖) ...
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