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Linux in which command line aliases, many novices are not very clear, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

1. Install any utilities / applications:

Alias install= "sudo yum install-y"

Here, sudo and-y are optional because of each user's preference:

2. Update the system:

Alias update= "sudo yum update-y"

3. Upgrade the system:

Alias upgrade= "sudo yum upgrade-y"

4. Change to root user:

Alias root= "sudo su -"

5. Change it to "user", where "user" is set to your user name:

Alias user= "su user"

6. Display a list of all available ports, their status and IP:

Alias myip= "ip-br-c a"

7. Give the server myserver for ssh:

Alias myserver= "ssh user@my_server_ip"

8. List all processes in the system:

Alias process= "ps-aux"

9. Check the status of any system services:

Alias sstatus= "sudo systemctl status"

10. Restart any system services:

Alias srestart= "sudo systemctl restart"

11. End any process by name:

Alias kill= "sudo pkill"

12. Display the total usage and available memory of the system:

Alias mem= "free-h"

13. Display the CPU architecture of the system, the number of CPU, the number of threads, etc.

Alias cpu= "lscpu"

14. Display the total disk size of the system:

Alias disk= "df-h"

15. Display the current system Linux release (for CentOS,Fedora and Red Hat):

Alias os= "cat / etc/redhat-release"

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