Copy, move, rename, view and delete files and disk info

Copying files
[root]# cp source.txt destination.txt
[root]# cp me126* /home/me12
[root]# cp -f source.txt destination.txt --> overwrites if existing
[root]# cp -i source.txt destination.txt --> inform before overwriting
[root]# cp -u source.txt destination.txt --> updates if newer file
[root]# cp -r DIR1/ DIR2/ --> recursive copy, including sub-directories

Copying file securely from local to remote server using Linux scp
Username: alexm
Source......(Server A): 10.152.2.11 /home/alexm/export/file.txt
Destination (Server B): 10.152.2.10 /home/alexm/import/
[root]# scp /home/alexm/export/files.txt alexm@10.152.2.11:/home/alexm/import --> local to remote
[root]# scp -R /home/alexm/export alexm@10.152.2.11:/home/alexm/import --> local directory to remote
[root]# scp -R alexm@10.152.2.11:/home/alexm/import /home/alexm/export --> remote to local
[root]# scp alexm@192.168.0.104:file1.txt alexm@192.168.0.105:mydir ----> remote to remote

Copying file securely from local to and from remote server using Putty's pscp.exe
c:\>util\pscp.exe alexm@192.168.0.104:/etc/hosts c:\temp\example-hosts.txt --> remote to local
c:\>util\pscp.exe c:\documents\foo.txt alexm@example.com:/tmp/foo ----------> local to remote
c:\>util\pscp.exe c:\documents\*.doc alexm@example.com:docfiles ------> multiple files to remote
c:\>util\pscp.exe alexm@example.com:source/*.c c:\source ---------> multiple files from remote

Moving/Renaming files
[root]# mv source.txt destination.txt
[root]# mv -R source destination ----------> copy folder recursively
[root]# mv -f source.txt destination.txt --> force overwrites
[root]# mv -i source.txt destination.txt --> inform before overwriting
[root]# mv me126* /home/me12  --> move

rsync files
[root]# UPDATE LATER !!!

Deleting files
[root]# rm -Rf temp/ --> delete directory
[root]# rm -i mytext.txt
[root]# rm -d /usr/home/temp --> delete directory
[root]# rm -r /usr/home/temp --> delete directory recursive

Make/Delete directory
[root]# mkdir -p /home/azm/temp
[root]# mkdir -m 755 /home/azm/temp
[root]# rmdir -p /home/azm/temp

Touch files
[root]# touch blank.txt

View files
[root]# cat readme.txt
[root]# head readme.txt 
[root]# head -n15 readme.txt  --> view first 15 lines
[root]# tail readme.txt  
[root]# tail -n22 readme.txt  --> view last 22 lines 
[root]# less -10 readme.txt  --> view last 10 lines 
[root]# more readme.txt
[root]# cat address | awk `{print $1, $2}'
[root]# vi +/myword test.txt  --> go to line having "myword"
[root]# vi +3 test.txt    --> go to line 3

[root]# lsof -i -f | grep 80 --> list open files

Disk usage
[root]# du        --> disk usage
[root]# df -TH    --> free disk space
[root]# fdisk -l  --> list all partitions
[root]# lvs       --> list volume space
[root]# lvm --> goto lvm command prompt

You can also install a UI based program called "mc" or Midnight Commander, to use GUI based file management
[root]# apt-get install mc
[root]# dnf install mc