Copy or duplicate file in CentOS Linux

Copy command for Linux  is "cp".

Unless otherwise specified by option, copy command will create new timestamp when the copy was done. 
 

NAME
cp - copy files and directories

SYNOPSIS
cp [OPTION]... [-T] SOURCE DEST
cp [OPTION]... SOURCE... DIRECTORY
cp [OPTION]... -t DIRECTORY SOURCE...

DESCRIPTION
Copy SOURCE to DESTINATION, or multiple SOURCE(s) to DIRECTORY.

 

Command and options	Description
cp existingfilename newfilename	we are copying A.txt to new file called B.txt. The system will create newfile called B.txt # cat A.txt NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=srv1.example.local   # cp A.txt B.txt   # ls *.txt A.txt B.txt   # cat B.txt NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=srv1.example.local
cp -r foldername newfolder	copy folder and all the files (recursively) to new folder. # cp -r myDir/ newmyDir/ # ls -l * d/ ls: d/: No such file or directory -rw-r--r-- 1 root root 62 Nov 28 15:36 A.txt -rw-r--r-- 1 root root 62 Nov 28 15:36 B.txt -rw-r--r-- 1 root root 16 Nov 28 11:17 My Work -rw-r--r-- 1 root root 13 Nov 28 11:19 My Work Linux -rw-r--r-- 1 root root 14 Nov 28 11:21 My Work of Centos -rw-r--r-- 1 root root 67 Nov 28 15:04 network myDir: total 8 -rw-r--r-- 1 root root 14 Nov 28 13:15 a.txt newmyDir: total 16 -rw-r--r-- 1 root root 14 Nov 28 15:42 a.txt
cp -p , --preserve	copy file or folder to new location while preserving its file attribute. Take note that we are copying from /etc/httpd/conf.d/README to our current folder "." and we preserve the timestamp, user rights. # ls -l /etc/httpd/conf.d/README -rw-r--r-- 1 root root 392 Jan 21 2009 /etc/httpd/conf.d/README   # cp -p /etc/httpd/conf.d/README .   # ls -l README -rw-r--r-- 1 root root 392 Jan 21 2009 README

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