======Part Numero Uno======

=====Entries=====
====Entry 1: September 7th, 2012====

Professor Haas showed and explained VI/VIM to the class:

  * Learned that is was created by Bill Joy and that it was the first full screen.
  * I learned how to navigate, enter text, and other commands.
  * VI is a visual editor which has a insert mode and command mode
  * Still trying to remember the commands, and understand which one is to be used when. But once I understand it I will be a genius.


====Entry 2: September 19th, 2012====

This day gimmeh was introduced and a little information on scripts:

  * Gimmeh a neat program notifying when assignments are due, and has a count down
  * I also learned how to view how many times I have logged in 
  * Learned how to create and run a script, script file is known as logincnt.sh
  * System is starting to pick up with me a little more. 



====Entry 3: September 21st, 2012====

Today we learned about Wildcards, to me seems very tricky stuff:

  * **wild cards** are the following
          * *****   - match 0 or more of any characters
          * **?**   - match 1 of any characters
          * **[ ]** - character class; match 1 of any of the enclosed characters
          * **[^]** - inverted character class; do not match 1 of any of the enclosed characters
  * wild cards are basically a search to help us find the information we are looking for
  * Wild cards also show how many of the files have what characters
  * I will have troubles remembering commands and I may not use much of this because I am rather the bad lazy type of person 


====Entry 4: September 28th, 2012====


Learning more on shell scripting:

  * Commands on shell scripting in VI
          * **Echo**; to output information to the user
          * **read**; to input information from the user into a variable
          * **$RANDOM**; environment variable which gives me a whole bunch of ranged random whole numbers
          * **if**; statements enabling us to make boolean choices
          * **fi**; closing the statements of if
          * **else**; statement to contain the countering action
          * **-eg** ; equal
          * **-ne** ; not equal
          * **-gt** ; greater
          * **-ge** ; greater than or equal to
          * **-lt** ; less than
          * **-le** ; less than or equal 
          * **exit**; force termination of script
  * we created scripts that would give random numbers that we try to guess and it would tell us "correct" "wrong" 
  * Learned how to use the **bc** inside of the script to minimize the numbers 
  * I may have a little trouble remembering the commands, but I think I would like to create a script that actually talks with me


=====Keywords=====

{{page>unixpart1&nofooter}}

=====Experiment 1=====

====Question====
Using wild cards, how would it change my search by adding or taking out a character out of the string?



====Resources====
Using the skills, and information learned in class.
====Hypothesis====

My hypothesis, by just changing one character or adding one from the string typed will make a difference in the results.
====Experiment====
Using the command ???? to search for directories, then I will change one thing and then add one thing to see what the results are.

====Data====

I will be working in files in sbin

using the command: ls -d ???? Result: dump  fsck  halt  ifup  init  mkfs  rarp
Changing the command to ls -d ???* the result: I received way to much
Changing the command to ls -d ????? the result: blkid  fdisk  getty  lsmod  rdump  rmmod  route  rtmon  udevd
Changing the command to ls -d ?????? the result: agetty  depmod  e2undo  ifdown  mke2fs  nameif  rtacct  swapon  wipefs cfdisk  e2fsck  findfs  insmod  mkswap  reboot  sfdisk  sysctl
  

this gave me every word that was at least four letters, then a result I did not intend for, then every word that was a least five letters, then the next with words that had six letters. 


====Analysis====
Based on the data collected:

  * My hypothesis is correct
  * No short comings. You have to be accurate with what you type to get the items you require

====Conclusion====

That by just changing  or adding one character in a command string it will change the results from the previous string