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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)