Secure Copy on Linux System

Beside SSH, every linux is completed with scp or secure copy. Secure copy use to transfer between local and remote computer. Local computer can send a file/s or a directory/s to remote computer and vice versa. To understand how scp work, assume :

Local computer
Name : PC-1
IP : 192.168.1.86 (Private IP)
Username : msmunir
Passwrod : *******

Remote computer
Name : PC-2
IP : 202.46.2.222 (Public IP)
Username : msmunir
Password : ******

Case #1 : PC-1 send a file to PC-2

Code :
$ scp local_file user@remote_host:remote_folder

Case #2 : PC-1 send a folder to PC-2

Code :
$ scp -r local_folder user@remote_host:remote_folder

Case #3 : PC-1 receive a file from PC-2

Code :
$ scp user@remote_host:remote_folder local_folder

Case #4 : PC-1 receive a folder from PC-2

Code :
$ scp -r user@remote_host:remote_folder local_folder

Examples : (All commands are executed from PC-1)

Case #1 : PC-1 send a file to PC-2

[msmunir@msmunir1 ~]$ cd Desktop/
[msmunir@msmunir1 Desktop]$ cd mp3
[msmunir@msmunir1 mp3]$ pwd
/home/msmunir/Desktop/mp3
[msmunir@msmunir1 mp3]$ scp kool_and_the_gang-cherish.mp3
msmunir@202.46.2.222:/home/msmunir/
kool_and_the_gang-cherish.mp3 100% 3772KB 12.7KB/s
04:56
[msmunir@msmunir1 mp3]$

Case #2 : PC-1 send a folder to PC-2

[msmunir@msmunir1 ~]$ scp -r /home/msmunir/Desktop/mp3/ msmunir@202.46.2.222:/home/
msmunir/mp3/
Christopher_Cross-Arthur's_Theme_(Best_That_You_Can_Do).mp3 100%
3640KB 12.9KB/s 04:42
Aerosmith-I_Dont_Want_To_Miss.mp3 100% 4674KB 12.3KB/s
06:20
[msmunir@msmunir1 ~]$

Case #3 : PC-1 receive a file from PC-2

[msmunir@msmunir1 ~]$ scp msmunir@202.46.2.222:/home/msmunir/mp3/Human_Nature-
Eternal_Flame.mp3 /home/msmunir/Desktop/
Human_Nature-Eternal_Flame.mp3 100% 896KB 40.7KB/s
00:22
[msmunir@msmunir1 ~]$

Case #4 : PC-1 receive a folder from PC-2

[msmunir@msmunir1 ~]$ scp -r msmunir@202.46.2.222:/home/msmunir/mp3/
/home/msmunir/mp3/
Human_Nature-Eternal_Flame.mp3 100% 896KB 42.7KB/s
00:21
Christopher_Cross-Arthur's_Theme_(Best_That_You_Can_Do).mp3 100%
3080KB 42.8KB/s 01:12
[msmunir@msmunir1 ~]$
by. msmunir@batan.go.id