The @color-profile at-rule is used in CSS to specify the color profile of an image. A color profile is a set of data that describes the color characteristics of a particular device or viewing environment. By specifyin... Read What Is @color-profile In CSS
top, ps, mv, find, df, cat, chmod, chgrp, grep, wc
The command is a commonly used performance analysis tool under Linux, which can display the resource usage status of each process in the system in real-time, similar to the Windows task manager.
View the process
move or change files
search for matching files in subdirectories
df command parameter function in Linux: check the disk space usage of the file system.
Display the contents of one or more files to standard output.
change file attributes.
change user group.
search within files.
The function of the command is to count the number of bytes, words, and lines in the specified file, and display and output the statistical results.
-rw-r--r-- that is the permission symbol, a total of - --- --- these bits. The first short horizontal part is the file type identifier: - means ordinary file; c means character device (character); b means block device (blo...
Shared memory object mapping. What is the difference between the two: Difference: A memory-mapped file is a mapping from a file to a block of memory so that the application can access the file on the disk through the memor...