Understanding the Differences in File Size Reporting: Why ls and du Show Different Results in Linux In Linux system administration, checking file sizes is a common operation. But have you ever encountered the following confusion? Using ls shows the file as 1GB, while du only displays 20MB? Why is there such a discrepancy? This article … Read more
In Linux, here are some commonly used commands: 1. Using the ls command You can use the ls command with the -lh option to check the file size, including compressed files. For example: ls -lh filename.zip Here, the -l option displays file information in a list format, and the -h option makes the file size … Read more
In the process of image processing and storage optimization, the JPEG compression ratio directly affects image quality and file size. This example demonstrates the implementation of JPEG image compression, intuitively presenting the relationship between image effects and file sizes at different compression ratios. 1. Code %% JPEG compression processing with different quality ratios im = … Read more