Use mv to rename the file1.txt file to file2.txt, suitable for Linux
Display the usage of system memory, including physical memory, swap memory (swap) and kernel buffer memory
It sends an ACPI command to the board, then to the PSU, to cut the power.
Display current directory
This command will display linux system information, including system version, kernel version and so on
Create a folder named test in Linux, and print each file creation record
Create a directory under test and a, b, and c directories under test2 under Linux.
Print the current 2-level directory structure in a tree structure in Linux
Delete the cmdhelp folder in the current directory on linux
Use DNS 126.96.36.199 to view www.cmdhelp.com resolution records on Linux, which can be used to view addon domain server ip
View the content of the cmdhelp.txt file in Linux, and display all content line numbers
View the content of cmdhelp.txt in Linux, and number non-blank lines
Create an empty file named test.md in Linux
Use passwd to change the cmdhelp user password
View the file under the current path contains hidden files starting with.Sort entries alphabetically if none of -cftuvSUX nor --sort is specified.
Delete the test1 directory, the directory is not empty, the deletion fails
View the ip address corresponding to google
Format the disk /dev/sdf under linux and create an ext4 format file system
View hidden folders and files under linux
To create a hidden file or folder in linux, add in front of the name.
Copy the test.txt file to the test directory in the current directory
View test.txt file type in Linux
Switch the working path to /home/test in Linux
In Linux, move the file1.txt file2.txt file in the current directory to /home/test
Unzip the test.tar.gz file in Linux
View the permissions of file1.txt in Linux
The permission to modify test.txt in linux is readable, writable and executable for all user groups
Test whether another host can be accessed in linux, connect and test the host at 192.168.1.121
View all processes in linux
Create a user group with a gid of 344 and a name of cmdhelp in Linux
View all user groups through cat in Linux
Create a user named user1 in linux
Modify the user of file1.txt in linux as user1
Modify the group of file1.txt in linux to user1
View process information in linux and output according to format
View the first 12 lines of the test.txt file in linux
I hope to help every developer quickly find the commands they need. Of course, you can also add your own commonly used commands for easy searching.