Centos Linux Files and Directories

Dealing hidden files

Hidden files are files not listed with list command (without specifiy -a options). This files are normally start with "."

 

ls A.txt ls -a . .. A.txt .hiddenfile

Above example shows that in order to see the hidden files, you must use ls -a (all) option. Please take note that . and .. is not a file is a directory. The "." represent the current directory while ".." represent the parent directory.

 

ls . A.txt ls .. bin boot demo dev dvd etc home lib lost+found media misc mnt net opt proc root sbin selinux srv sys tmp usr var

Above example clearly shows you that "ls ." is to list the current directory you are in. Meanwhile "ls .." is to list parent directory.

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