Ubuntu's which, whereis, locate, and find commands

Source: Internet
Author: User
The which, whereis, locate, and find commands of ubuntu can only search for execution files and find them in the PATH variable. Whereis is searched for from the linux File database (/var/lib/slocate. db), so it is possible to find the file you just deleted or not found .... The which, whereis, locate, and find commands of ubuntu can only search for execution files and find them in the PATH variable. Whereis is searched for from the linux File database (/var/lib/slocate. db), so it is possible to find the file you just deleted or not found the new file. Locate is the same as above, but the file name is partially matched. Find is a search directly on the hard disk, which is powerful, but hard disk consumption, generally not used.
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