Jcac 2-1 & 2-2

Front 1

Windows:
GINA

Back 1

Graphical identification and authentication

Front 2

Windows:
GUI

Back 2

Graphical user interface

Front 3

Windows:
Computer Management

Back 3

Start 》run 》compmgmt.msc

Front 4

Windows:
Event viewer

Back 4

Used to view and config logs

Front 5

Windows:
Device manager

Back 5

Hardware an7d driver configuration

Front 6

Windows:
Local users and Group

Back 6

Manage user and group accounts on local machine

Front 7

Windows:
Performance Logs and Alerts:

Back 7

Monitor system resource utilization

Front 8

Windows:
System Information

Back 8

(2k only) wealth of information concerning computer configuration, software, and hardware resources

Front 9

Absolute Path

Back 9

path that contains the root directory and all sub directories that contain a file or directory (also file path or full path)

Front 10

Relative Path

Back 10

portion of full path relative to current directory

Front 11

Windows:
Environment variable

Back 11

default locations used by system to look for programs. e.g. paint calc etc

Front 12

Windows:
cmd to edit environment variable

Back 12

Path = (variables)
Path = %Path%; (new variables)

Front 13

Windows:
System root folders for
Win2k, XP, Win7
Server 2k, Server 2k3, Server 2k8

Back 13

2k >> WINNT
Newer >> WINDOWS

Front 14

Windows:
Variable for system root

Back 14

%SystemRoot%

Front 15

Windows:
File Attribute >> A

Back 15

Used so backup programs know which files to backup

Front 16

Windows:
File Attribute >> R

Back 16

Protects file from overwrite or modify

Front 17

Windows:
File Attribute >> H

Back 17

Hidden from common user

Front 18

Windows:
File Attribute >> S

Back 18

System file, generally protected from common user

Front 19

Windows:
File Attribute >> C

Back 19

Compressed File (NTFS)

Front 20

Windows:
File Attribute >> E

Back 20

Encrypted File (NTFS)

Front 21

Windows:
Built-in Accounts

Back 21

Administrator & Guest (best practice, rename admin and disable guest for security)

Front 22

Windows:
Local users

Back 22

account authenticated by local machine. credentials maintained by security accounts manager.

Front 23

Windows:
Domain users

Back 23

account authenticated by domain controller. credentials maintained by active directory.

Front 24

Authentication

Back 24

mechanism by which a system may securely identify a user

Front 25

Authorization

Back 25

mechanism by which a system determines the level of access a user has

Front 26

File system

Back 26

method of organizing and retrieving files and directories from a storage medium

Front 27

Windows:
NTFS

Back 27

New technology file system - adds capability of assigning File and Directory permissions.

Front 28

Windows:
Permissions Default

Back 28

2k and older defaults full control
xp and newer defaults read access

Front 29

Windows:
TCP/IP

Back 29

Transmission Control Protocol / Internet Protocol

Front 30

Windows:
DHCP

Back 30

Dynamic Host Control Protocol - tcp/ip configuration settings

Front 31

Windows:
DNS

Back 31

Domain Name System - IP to name transaslation

Front 32

Windows:
Default gateway

Back 32

layer 3 device used to access other networks, usually a router

Front 33

Windows:
display date

Back 33

DATE [/T | date]

Front 34

Windows:
clear screen

Back 34

CLS

Front 35

Windows:
display time

Back 35

TIME [/T | time]

Front 36

Windows:
display version

Back 36

VER

Front 37

Windows:
exit cmd prompt

Back 37

EXIT

Front 38

Windows:
set cmd prompt title

Back 38

TITLE [string]

Front 39

Windows:
display directory listing

Back 39

DIR

Front 40

Windows:
directory listing with attributes, list attributes

Back 40

DIR /a:DHSRA
D directory, H hidden, S system, R read-only, A Archive

Front 41

Windows:
directory listing w/o heading

Back 41

DIR /b

Front 42

Windows:
directory listing specified directory

Back 42

DIR /s

Front 43

Windows:
directory listing with timefield and used for shorting

Back 43

DIR /t:CAW
C creation
A Last Access
W Last Written

Front 44

Windows:
Change directory

Back 44

CD

Front 45

Windows:
create directory

Back 45

MD [drive:]path

Front 46

Windows:
copies one or more files

Back 46

COPY [source] [destination]

Front 47

Windows:
copy ASCII text file

Back 47

COPY /a

Front 48

Windows:
copy binary file

Back 48

COPY /b

Front 49

Windows:
copy files and directory tree

Back 49

XCOPY

Front 50

Windows:
copy file/directory except empty

Back 50

XCOPY /s

Front 51

Windows:
copy file/directory include empty

Back 51

XCOPY /e

Front 52

Windows;
Move

Back 52

MOVE [drive:] [path]

Front 53

Windows:
remove directory

Back 53

RD or RMDIR
/S dir tree
/Q quite mode, no confirmation

Front 54

Windows:
delete file(s)

Back 54

DEL
/F force delete of read only

Front 55

Windows:
display folders in tree structure

Back 55

TREE [drive:] [path]
/f file names
/a ASCII format

Front 56

Windows:
display contents of file(s)

Back 56

TYPE

Front 57

Windows:
searches for text string in file(s)

Back 57

FIND

Front 58

Windows:
display/modify access control lists

Back 58

CACLS
/E edit ACL instead of replace
/G user:perm
R Read, W Write, C Change, F Full

Front 59

Windows:
display or change file attributes

Back 59

ATTRIB
+/- to add or remove specific attributes
RASH, read-only, archive, system, hidden

Front 60

Windows:
display adapter and connection settings

Back 60

ipconfig
/all
/release
/renew

Front 61

Windows:
send packets to another device

Back 61

PING
/t send until user stops

Front 62

Unix:
Multi-user

Back 62

More than one user can use the machine at a time supported via terminals

Front 63

Unix:
Multi-tasking

Back 63

More than one program can run at a time

Front 64

Unix:
Portability

Back 64

Supports many different hardware platforms, intel desktops, Sparc workstations, IBM mainframes

Front 65

Unix;
Kernel

Back 65

Workhorse - schedules tasks, manages data/file access and storage, enforces security mechanisms, and performs all hardware access

Front 66

Unix:
Shell

Back 66

Presents each user with a prompt, executes commands, and supports custom environment for each user

Front 67

Unix:
List Shells

Back 67

Bourne - sh
Korn - ksh
C - csh
Bourne Again - bash

Front 68

Unix:
root directory

Back 68

/

Front 69

Unix:
root users home directory

Back 69

/root

Front 70

Unix:
directory kernel image is located

Back 70

/boot

Front 71

Unix:
directory with system config files

Back 71

/etc

Front 72

Unix:
User home directories

Back 72

Unix: /export/home
linux: /home

Front 73

Unix:
General purpose mount point

Back 73

/mnt

Front 74

Unix:
view of internal kernel data

Back 74

/proc

Front 75

Unix:
kernel's view of the hardware

Back 75

/sys

Front 76

Unix:
directory with special device files

Back 76

/dev

Front 77

Unix:
executable (program) directory

Back 77

/bin

Front 78

Unix:
system executable directory

Back 78

/sbin

Front 79

Unix:
libraries directory

Back 79

/lib

Front 80

Unix:
temporary files directory

Back 80

/tmp

Front 81

Unix:
redirect command output to file

Back 81

> output to file (overwrite)
>> output to file (append)

Front 82

Unix:
command to display manual

Back 82

MAN [command]

Front 83

Unix:
print system information

Back 83

uname
-a print all information

Front 84

Unix:
display current location

Back 84

pwd

present working directory

Front 85

Unix:
list directory in tree format

Back 85

tree

Front 86

Unix:
list contents of directory

Back 86

ls
-l long lsit
-i inode number (HD location)
-s total number system block
-a all files (including invisible)

Front 87

Unix:
make link between files or directories

Back 87

ln
-s symbolic link

Front 88

Unix:
change directory

Back 88

cd

Front 89

Unix:
create a directory

Back 89

mkdir
-p make directory when no parent exists

Front 90

Unix:
create empty file

Back 90

touch

Front 91

Unix:
edit timestamp

Back 91

touch -t YYMMDDHHMM [file]

if file from prior year, hour/minute does not display and is irrelevant

Front 92

Unix;
remove empty directory

Back 92

rmdir

Front 93

Unix:
copy files

Back 93

cp

Front 94

Unix:
move or rename file or directory

Back 94

mv [present file] [new file]

Front 95

Unix:
create record of terminal session

Back 95

script [filename]

Front 96

Unix:
remove file

Back 96

rm
-r also remove directory

Front 97

Unix:
paging commands

Back 97

cat
more
less
head
tail

Front 98

Unix:
display file on screen, also concatenate files

Back 98

cat

Front 99

Unix:
display file one screen at time

Back 99

more

Front 100

Unix:
like more but with additional capabilities

Back 100

less

Front 101

Unix:
displays first few lines

Back 101

head

Front 102

Unix:
displays last few lines

Back 102

tail

Front 103

Unix:
locate files with certain characteristics

Back 103

find
-name look for specific filename
-print print results to screen

Front 104

Unix:
search file(s) for string

Back 104

grep

Front 105

Unix:
terminal window # vs $

Back 105

# root user
$ common user

Front 106

Unix:
create new user

Back 106

useradd -d [home location] -m [create home] [username]

Front 107

Unix:
delete user account and related file

Back 107

userdel -r [remove home directory] [username]

Front 108

Unix:
change password

Back 108

passwd

Front 109

Unix:
switch user

Back 109

su

Front 110

Unix:
displays groups for user

Back 110

groups [username]

Front 111

Unix:
display snapshot status of active processes

Back 111

ps
-e lsit information
-f list infull mode format

Front 112

Unix:
entirely stops process

Back 112

kill
-9 kill stubborn processes
-HUP respawn killed process

Front 113

Unix:
view and set characteristics of network interface

Back 113

ifconfig
-a all information

Front 114

Unix:
shows routing tables

Back 114

route

Front 115

Unix:
sends ICMP packets to another device

Back 115

ping [device ip]

Front 116

Unix:
open vi text editor

Back 116

vi [filename]

Front 117

Unix:
vi navigation commands

Back 117

k - up
h l - left/right
j - down

Front 118

Unix:
vi deletion commands

Back 118

x - current character
D - to end of line
dd - current line
dw - word

Front 119

Unix:
vi insertion commands

Back 119

i - before cursor
l - at beginning of line
o - below current line
a - append, beyond cursor

Front 120

Unix:
vi exit commands

Back 120

:w - save
:q - quit vi
:q! - quit vi w/o saving
:wq - save and quit

Front 121

Unix:
additional commands

Back 121

:<line number>
jump to line number
:set nu
display line number

Front 122

Unix:
permissions classes

Back 122

Owner
Group
Other

Front 123

Unix:
breakdown of permission

Back 123

1 type
2-4 owner permission
5-7 group permission
8-10 other permission
11 number of links
12 user
13 group
14 size in bytes
15 last time/date modified
16 filename

Front 124

Unix;
permission options

Back 124

r - read
w - write
x - executable

Front 125

Unix:
permission option values

Back 125

read 4
write 2
execute 1

Front 126

Unix:
user and password files

Back 126

/etc/passwd
/etc/shadow

Front 127

Unix:
/etc/passwd file format

Back 127

username
placeholder for encrypted password
user ID
group ID
comment
home path
default shell

Front 128

Unix:
default login names

Back 128

deamon
bin
adm
ip
uucp
nobody

Front 129

Unix:
root user id

Back 129

always "0"

Front 130

Unix:
/etc/shadow

Back 130

username
encrypted password
Only root can read the contents

Front 131

Unix:
commands that alter shadow fields

Back 131

useradd
passwd

Front 132

Unix:
change user password expiration date

Back 132

useradd -e

Front 133

Unix:
set max days of inactivity for user password

Back 133

useradd -f

Front 134

Unix:
force user to change password

Back 134

passwd -f

Front 135

Unix:
set min/max days for password

Back 135

-n min
-x max

Front 136

Unix:
system logs configuration file

Back 136

/etc/syslog.conf
logs used for troubleshooting

Front 137

Unix:
job scheduling

Back 137

at - used for single jobs
crontab - used for continuous jobs

Front 138

Unix:
syntax for at command

Back 138

at HH:MM
at > [command]
[ctrl - d]

Front 139

Unix:
syntax for cronjob command

Back 139

crontab -e edit
crontab -l show

Front 140

Unix:
syntax for cronjob entries

Back 140

MM HH DOM M DOW [command]

DOM - day of month
M - month
DOW - day of week

Front 141

Unix:
archiving command

Back 141

tar [option] [destination] [source]

Front 142

Unix:
archive options

Back 142

c create
t list
x extract

(always include)
v verbose
f to/from file

Front 143

Unix:
compression options

Back 143

gzip
bzip2

Front 144

Unix:
gzip compression syntax

Back 144

gzip [file]
gunzip [file]
compressed file extension *.gz

Front 145

Unix:
bzip2 compression syntax

Back 145

bzip2 [file]
bunzip2 [file]
compressed file extension *.bz2