DAY2 Linux入门.png
为什么用Linux
- 开源、免费。
- 不需要图形界面，节约资源。
- 大部分生物信息软件基于Linux系统开发。
基础命令
- 见思维导图
拓展学习
马哥教育2021-Linux云计算小白入门专业版教程
Linux命令大全(手册)
生信初学者入门Linux最少必要的知识点
今日练习（基于 Windows的Xshell）
- 软件安装与配置
使用Xshell和Xftp连接管理Linux服务器 - 操作练习结果
Xshell 7 (Build 0076)
Copyright (c) 2020 NetSarang Computer, Inc. All rights reserved.
Type `help' to learn how to use Xshell prompt.
[C:\~]$
Connecting to 42.192.49.166:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
Welcome to Ubuntu 18.04.4 LTS (GNU/Linux 4.15.0-118-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
System information as of Sat Aug 28 17:28:51 CST 2021
System load: 0.1 Processes: 134
Usage of /: 13.8% of 49.15GB Users logged in: 3
Memory usage: 17% IP address for eth0: 172.17.0.6
Swap usage: 0%
* Super-optimized for small spaces - read how we shrank the memory
footprint of MicroK8s to make it the smallest full K8s around.
https://ubuntu.com/blog/microk8s-memory-optimisation
* Canonical Livepatch is available for installation.
- Reduce system reboots and improve kernel security. Activate at:
https://ubuntu.com/livepatch
New release '20.04.3 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
Last login: Sat Aug 28 17:09:22 2021 from 222.205.124.170
#显示当前路径
bio04@VM-0-6-ubuntu:~$ pwd
/home/bio04
#显示当前列表
bio04@VM-0-6-ubuntu:~$ ls
bioproject biosoft other src
#移接，建立，删除文件及文件夹
bio04@VM-0-6-ubuntu:~$ cd other
bio04@VM-0-6-ubuntu:~/other$ pwd
/home/bio04/other
bio04@VM-0-6-ubuntu:~/other$ cd
bio04@VM-0-6-ubuntu:~$ mkdir rm_test
bio04@VM-0-6-ubuntu:~$ cd rm_test
bio04@VM-0-6-ubuntu:~/rm_test$ touch doodle.txt
bio04@VM-0-6-ubuntu:~/rm_test$ mkdir huahua
bio04@VM-0-6-ubuntu:~/rm_test$ cd huahua
bio04@VM-0-6-ubuntu:~/rm_test/huahua$ touch haha.txt
bio04@VM-0-6-ubuntu:~/rm_test/huahua$ rm haha.txt
bio04@VM-0-6-ubuntu:~/rm_test/huahua$ cd -
/home/bio04/rm_test
bio04@VM-0-6-ubuntu:~/rm_test$ rmdir huahua
bio04@VM-0-6-ubuntu:~/rm_test$ rm doodle.txt
bio04@VM-0-6-ubuntu:~/rm_test$ cd
bio04@VM-0-6-ubuntu:~$ rmdir rm_test
bio04@VM-0-6-ubuntu:~$ ls
bioproject biosoft other src
#编辑文档
bio04@VM-0-6-ubuntu:~$ cd other
bio04@VM-0-6-ubuntu:~/other$ vi hello_world.txt
bio04@VM-0-6-ubuntu:~/other$ cat hello_world.txt
hello world
goodby world
#
bio04@VM-0-6-ubuntu:~/other$ head -n 3 hello_world.txt
hello world
#复制，重命名，移动文件
bio04@VM-0-6-ubuntu:~/other$ cp hello_world.txt new_file.txt
bio04@VM-0-6-ubuntu:~/other$ mv new_file.txt home.txt
bio04@VM-0-6-ubuntu:~/other$ mv home.txt ~
bio04@VM-0-6-ubuntu:~/other$ cd
bio04@VM-0-6-ubuntu:~$ ls
bioproject biosoft home.txt other src
