What is dot in linux
". (dot)
In shell, users should be aware that one dot represents the current directory and two dot represent the upper directory.
CDPATH=.:~:/home:/home/web:/var:/usr/local
In the uplink CDPATH setting, the dot after the equal sign represents the current directory.
If the file name starts with dot, the file is a special file and must be displayed with the-an option in the ls directive.
In addition, in regularexpression, a dot represents a match to a character.
These are the details of what "dot" stands for in linux. Please pay attention to other related articles for more information!
