Ubuntu common command records
(1) File operation commands
1. sudo
to obtain permissions
2. pwd
current path
3. ls
displays files in the current path
4. rm
rm + file name: delete the file
rm -v + file name: delete the file and display information
rm -f + file name: delete the file without asking
rm -r + directory name: delete the directory
rm -rf + Directory: delete directories and files
5. mkdir + folder name
to create a folder
6. Absolute path
starting point '/', ending point: the last directory
7. Relative path
starting point './', end point: the last directory
8. cd…(cd…/)
returns to the previous directory
9. cd.../...
return to the upper two levels of directory
10. cd ~
enter the home directory
(2) Graphics card information command
(1) nvidia-smi
1. Graphics card driver version
2. The graphics card supports the highest CUDA version
3. Graphics card name
(Name)
4. Fan speed
(Fan: 0%-100%, N/A means no fan)
5. Graphics card temperature
(Temp: too high a GPU temperature will lead to frequency reduction)
6. Graphics card performance status
(Perf: P0 (maximum performance)-P12 (minimum performance))
7. Graphics card power consumption
(Pwr: Usage/Cap, current power consumption/maximum power consumption)
8. Graphics card persistence mode status
(Persistence-M: turned off by default)
9. Graphics card bus
(Bus-Id)
10. Graphics card display initialization
(Disp.A: Display Active, indicating whether the GPU display is initialized)
11. Video memory usage
(Memory-Usage: currently occupied video memory size/total video memory size of the graphics card)
12. GPU usage
(Volatile GPU-UTil)
13. Graphics card error correction
(Uncorr. ECC: whether to enable error checking and error correction technology, 0/DISABLED, 1/ENABLED)
14. Compute mode
(Compute M: default mode)
15. Process
GPU: currently running graphics card number
PID: process number
Type: process type (C: computing process, G: graphics process, C+G: computing process + graphics process)
Process name: process name
GPU Memory Usage :GPU usage
16. watch -n 3 nvidia-smi
displays graphics card information every 3 seconds
17. nvidia-smi l 3
refreshes the graphics card information every 3 seconds
(2)nvcc --version
displays the current CUDA version information of the system