Xshell客户端在vim编辑文件保存退出,仍然显示文本内容,而不是回到shell terminal终端. 解决办法如下: User1 is using TERM=xterm, in this case when you exit vim it will clear the terminal. User2 is using TERM=vt100, in this case when you exit vim it will not clear the terminal. 具体操作: 1,vim…
Purpose: Display certain line or lines from a text file, such as : Display the 1000th line from file message.log or Display the lines between 1000 and 1020 from file message.log Solution: Using sed: sed -n '1000,1020p' message.log sed -n '1000,1020p;…
查看当前系统环境变量 cat test2: #!/bin/bash # display user information from the system. echo "User info for userid:$USER" echo UID:$UID echo HOME:$HOME 添加执行权限:chmod u+x test2 运行:./test2 结果如下: User info for userid:clarck UID: HOME:/home/clarck…
错误如下: Ignoring required pre-requisite failures. Continuing... Preparing to launch Oracle Universal Installer from /tmp/OraInstall2015-01-29_03-14-51AM. Please wait ... DISPLAY not set. Please set the DISPLAY and try again. Depending on the Unix Shell…
开门见山 git bash 是 Windows 用户安装 git 时默认安装的命令行工具,不仅界面漂亮功能也不错,大多数情况下可以替代 Windows 原生的 cmd 命令行. 然而,git bash 命令行不是万金油,并不能完全替代 cmd ,详情请参考 mintty 官网的相关说明. mintty is not a full replacement for the Windows Console window git bash 命令行默认使用 mintty 作为终端模拟器,而 mintty…