diff --git a/sources/talk/20180828 15 command-line aliases to save you time.md b/sources/talk/20180828 15 command-line aliases to save you time.md
deleted file mode 100644
index f357896293..0000000000
--- a/sources/talk/20180828 15 command-line aliases to save you time.md	
+++ /dev/null
@@ -1,104 +0,0 @@
-15 command-line aliases to save you time
-======
-
-![](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/computer_keyboard_laptop_development_blue.png?itok=IfckxN48)
-
-Linux command-line aliases are great for helping you work more efficiently. Better still, some are included by default in your installed Linux distro.
-
-This is an example of a command-line alias in Fedora 27:
-
-![](https://opensource.com/sites/default/files/uploads/default.png)
-
-The command `alias` shows the list of existing aliases. Setting an alias is as simple as typing:
-
-`alias new_name="command"`
-
-Here are 15 command-line aliases that will save you time:
-
-1. To install any utility/application:
-
-`alias install="sudo yum install -y"`
-
-Here, `sudo` and `-y` are optional as per user’s preferences:
-
-
-![install alias.png][2]
-
-2. To update the system:
-
-`alias update="sudo yum update -y"`
-
-3. To upgrade the system:
-
-`alias upgrade="sudo yum upgrade -y"`
-
-4. To change to the root user:
-
-`alias root="sudo su -"`
-
-5. To change to "user," where "user" is set as your username:
-
-`alias user="su user"`
-
-6. To display the list of all available ports, their status, and IP:
-
-`alias myip="ip -br -c a"`
-
-7. To `ssh` to the server `myserver`:
-
-`alias myserver="ssh user@my_server_ip”`
-
-8. To list all processes in the system:
-
-`alias process="ps -aux"`
-
-9. To check the status of any system service:
-
-`alias sstatus="sudo systemctl status"`
-
-10. To restart any system service:
-
-`alias srestart="sudo systemctl restart"`
-
-11. To kill any process by its name:
-
-`alias kill="sudo pkill"`
-
-![kill process alias.png][4]
-
-12. To display the total used and free memory of the system:
-
-`alias mem="free -h"`
-
-13. To display the CPU architecture, number of CPUs, threads, etc. of the system:
-
-`alias cpu="lscpu"`
-
-14. To display the total disk size of the system:
-
-`alias disk="df -h"`
-
-15. To display the current system Linux distro (for CentOS, Fedora, and Red Hat):
-
-`alias os="cat /etc/redhat-release"`
-
-![system_details alias.png][6]
-
-
-
-
---------------------------------------------------------------------------------
-
-via: https://opensource.com/article/18/8/time-saving-command-line-aliases
-
-作者：[Aarchit Modi][a]
-选题：[lujun9972](https://github.com/lujun9972)
-译者：[译者ID](https://github.com/译者ID)
-校对：[校对者ID](https://github.com/校对者ID)
-
-本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
-
-[a]:https://opensource.com/users/architmodi
-[2]:https://opensource.com/sites/default/files/uploads/install.png (install alias.png)
-[4]:https://opensource.com/sites/default/files/uploads/kill.png (kill process alias.png)
-[6]:https://opensource.com/sites/default/files/uploads/system_details.png (system_details alias.png)