copy id_rsa.pub from current directory to remote drive

test.sh

$ scp id_rsa.pub vincent@192.168.1.5:/users/vincent/documents
#copy id_rsa.pub from current directory to remote drive

$ chmod a+rwx
# add permissions to all

$ touch file_name
# create a file

$ rm -rf letters/
# delete directory
# -r recursive

$ w
# show who is logged on and what they are doing  

$ uname -a
# print system information
# -a print all information

$ pwd
# displays the name of the current working directory

$ ll -lah
# -l Shows you huge amounts of information (permissions, owners, size, and when last modified.)
# -a Shows you all files, even files that are hidden
# -h  print sizes in human readable format

$ ll .
# shows current directory information

$ ll ..
# shows parent directory information

$ tree .
# shows current directory information in tree format

$ sudo apt-get install tree
# install tree

$ cat big-file.txt
# Concatenate FILE(s), or standard input, to standard output.

$ cat big-file.txt | more 
# output "cat big-file.txt" to more command

$ cat big-file.txt | wc -w
# count the number of words in the big-file.txt

$ cat big-file.txt | grep software
# find the software in the big-file.txt

$ tree . > data.txt
# get current directory information and output it data.txt file