{| border=1 - spoken tutorial · | tutorial record '''ubuntu 10.10'''...
TRANSCRIPT
{| border=1
|'''Time'''
|'''Narration'''
|-
|00:00
| '''The Linux Environment''' -
spoken tutorial
|-
|00:07
| working Linux system Ubuntu
Tutorial
|-
|00:13
| Linux operating system start
'''command , file system shell '''
basic idea
|-
|00:22
| concept
, website
spoken tutorial
|-
|00:32
| Tutorial record '''Ubuntu 10.10'''
|-
|00:36
| Linux ''case sensitive'' tutorial
command mention lower case
|-
|00:46
| operating system ,
command ,
action interpret
Linux environment
|-
|00:55
| '''shell''' setting Linux
customize
|-
|00:58
|
shell '''shell
variable '''
|-
|01:04
| shell variable :
'''Environment Variable''' '''Local
Variable'''
|-
|01:12
| Environment variable ,
user environment
|-
|01:19
| '''shell script'''
shell sub-shell
|-
|01:24
| Local Variable , , restricted
limited availability
|-
|01:31
| shell sub-shell
|-
|01:36
| tutorial , environment
variable shell
variable value
|-
|01:48
| current shell variable
command '''set''' run
|-
|01:53
| terminal Type : '''set''' space pipeline
character '''more''' Enter
|-
|02:00
| current shell variables
|-
|02:04
| : '''HOME''' environment variable
, assign value
|-
|02:15
| List '''Enter'''
'''q'''
|-
|02:21
| , variable list systematic multipage
output '''set''' output
'''more''' pipeline
|-
|02:38
| environment variable , '''env'''
command run
|-
|02:45
| terminal Type :'''env''' space 'vertical-bar'
'''more''' Enter
|-
|02:52
| , '''slash bin slash bash''' value
'''SHELL''' variable notice
|-
|03:00
| , list '''q''' press
|-
|03:07
| Linux environment variable
|-
|03:11
| demonstration bash
shell
|-
|03:15
| shell
|-
|03:19
| variable store
, variable dollar sign
command
|-
|03:30
| environment variable
'''SHELL''' variable
|-
|03:35
| current shell store
|-
|03:37
| '''SHELL''' variable value , terminal
type : capital '''echo''' space '''dollar S-H-E-
L-L''' '''Enter'''
|-
|03:55
| , '''slash bin slash bash'''
operate shell
|-
|04:02
| variable '''HOME'''
|-
|04:05
| Linux login ,
user name directory
|-
|04:11
| directory 'home directory' 'HOME'
variable
|-
|04:17
| value , terminal type : '''echo'''
space '''dollar capital H-O-M-E''' '''Enter'''
|-
|04:29
| environment variable '''PATH'''
|-
|04:32
| '''PATH''' variable directory '''absolute
path''' shell
executable command locate
|-
|04:40
| path variable value
|-
|04:43
| , terminal type : '''echo''' space
'''dollar capital P-A-T-H ''' Enter
|-
|04:51
| computer '''slash user slash local
slash sbin slash user slash local slash bin slash user
slash sbin slash user slash bin'''
|-
|05:04
| system
|-
|05:07
| :(colon) delimiter
directory list , order executable
command shell
|-
|05:18
| list directory
directory shell
|-
|05:25
| directory terminal type
:
|-
|05:29
| capital '''P-A-T-H''' 'equal-to' '''dollar
capital P-A-T-H''' ''' colon slash home slash'''
home directory type Enter
|-
|05:54
| '''PATH''' value '''echo'''
,
|-
|06:04
| directory '''PATH'''
variable
|-
|06:10
| directory present
|-
|06:16
| variable '''LOGNAME'''
|-
|06:20
| active user username store
|-
|06:24
| value , type : '''echo''' space
'''dollar LOGNAME''' '''Enter'''
|-
|06:35
| terminal dollar sign
prompt command
enter
|-
|06:42
| environment variable 'PS1' represent
primary prompt string
|-
|06:47
| secondary prompt string
|-
|06:50
| command line
line prompt
greater than sign “>”
|-
|07:00
| environment variable 'PS2' represent
secondary prompt string
|-
|07:05
| secondary command prompt value , terminal
type : '''echo''' space '''dollar PS2'''
'''Enter'''
|-
|07:20
| prompt primary prompt string “at
the rate” <@>
|-
|07:28
| , type ''' PS1''' 'equal-to'
quote 'at the rate' “@" Enter
|-
|07:41
| '''dollar''' sign prompt '''at the
rate''' sign
|-
|07:50
| interesting
prompt username
|-
|07:56
| type : '''PS1''' capital 'equal-to' quote
'''dollar LOGNAME''' '''Enter'''
|-
|08:12
| username prompt
|-
|08:16
| , type : '''PS1''' 'equal-
to' quote dollar Enter
|-
|08:28
| environment variables value assigned
|-
|08:32
| , current
session applicable
|-
|08:37
| PATH variable directory
|-
|08:40
| terminal
terminal
path variable value echo check
,
|-
|09:00
| modification
|-
|09:05
| modification permanent
advanced tutorial covere
|-
|09:13
| command re-execute
execute
command type
|-
|09:22
| , solution
|-
|09:26
| , keyboard 'up key'
type command
|-
|09:33
| command
scrolling
|-
|09:37
| down key
|-
|09:42
| command scroll
'''history''' command
|-
|09:52
| prompt '''history''' Type
|-
|09:58
| Enter ,
command list
|-
|10:04
| list
,
|-
|10:08
| type '''history space 10''' ''Enter'''
|-
|10:20
| list command
assign ,
|-
|10:27
| command repeat ,
|-
|10:32
| type exclamation mark command
442 case '''echo space
dollar PATH''' execute
|-
|10:51
| command re-execute
exclamation mark type
Enter
|-
|11:03
| 'tilde' substitution
tilde(~) character home directory shorthand
|-
|11:12
| , home directory testtree
directory type
: '''cd''' space '''~(tilde)''' slash
'''testtree'''
|-
|11:25
| current working directory '''cd '~(tilde)'
minus''' '''cd minus''' command
directory toggle
|-
|11:35
| '''testtree''' directory ,
visit directory home
directory
|-
|11:41
| '''cd space minus''' run
Enter , home directory
|-
|11:47
| Run
'''testtree''' directory
|-
|11:55
| command
'''alias''' command
|-
|11:59
| run
command
|-
|12:04
| '''alias''' name
'''alias''' name
|-
|12:11
| music visit
directory hierarchy ,
alias
|-
|12:20
| Type : '''alias''' space '''cdMusic''' 'equal-
to' double quote '''cd space slash home slash
arc slash files slash entertainment slash music'''
Enter
|-
|12:47
| directory switch
'''cdMusic''' Enter
|-
|12:55
| '''music''' directory
|-
|12:58
| , working directory
prompt '''cd space minus ''' type
|-
|13:08
| '''alias''' unset , '''unalias space
cdMusic''' Enter
|-
|13:20
| terminal '''cdMusic'''
fire , command error
|-
|13:30
| present working directory '''test1'''
'''test2''' file
|-
|13:38
| '''rm test1''' fire ,
'''test1''' silently delete
|-
|13:45
| '''rm''' command '''hyphen i'''
option removal process interactive
|-
|13:52
| '''alias''' '''alias rm'''
equal-to, quote '''rm space hyphen
i''' set
|-
|14:03
| '''rm''' run , '''rm
hyphen i''' run
|-
|14:13
| '''test1''' silently delete ,
'''test2''' delete system
|-
|14:20
| , tutorial '''environment variables''',
'''history''' '''aliasing'''
|-
|14:25
| tutorial
|-
|14:28
| '''Spoken Tutorial''' project '''Talk to a
Teacher''' project , ICT National
Mission on Education
|-
|14:36
| mission - website
|-
|14:39
| tutorial Script
|-
|14:42
| IIT MUMBAI
|}