Linux/C2/Redirection-Pipes/English-timed - Revision history

PoojaMoolya at 11:38, 23 March 2017

2017-03-23T11:38:51Z

PoojaMoolya at 06:41, 10 March 2017

2017-03-10T06:41:19Z

Sandhya.np14 at 04:06, 11 March 2015

2015-03-11T04:06:52Z

Sandhya.np14 at 03:02, 11 March 2015

2015-03-11T03:02:39Z

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Sandhya.np14 at 17:58, 10 March 2015

2015-03-10T17:58:16Z

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PoojaMoolya at 07:21, 3 September 2014

2014-09-03T07:21:00Z

PoojaMoolya at 07:15, 3 September 2014

2014-09-03T07:15:58Z

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PoojaMoolya at 07:01, 3 September 2014

2014-09-03T07:01:28Z

PoojaMoolya at 06:06, 3 September 2014

2014-09-03T06:06:16Z

PoojaMoolya at 06:05, 3 September 2014

2014-09-03T06:05:54Z

@@ Line 146: / Line 146: @@
 |-
 |03:31
-|Now press '''Enter.'''
+|Now press '''Enter.'''  What happens?? we have a blinking cursor. It means that we need to enter through the keyboard.
-|-
-|03:32
-|What happens?? we have a blinking cursor. It means that we need to enter through the keyboard.
 |-
 |03:37
@@ Line 290: / Line 287: @@
 |-
 |07:23
-|Yes it has.
+|Yes it has. Suppose, we have another file '''test2''' in the same directory.
-|-
-|07:24
-|Suppose, we have another file '''test2''' in the same directory.
 |-
 |07:30

@@ Line 176: / Line 176: @@
 |-
 |04:12
-|Now if we write
+|Now if we write '''wc space 'left-angled bracket' space test1 dot txt''',
-−
 '''wc space 'left-angled bracket' space test1 dot txt''',
 |-
 |04:19

@@ Line 140: / Line 140: @@
 |-
 |03:22
-|We know that the use of '''wc''' command is to find the number of lines,words and characters in a file.
+|We know that the use of '''wc''' command is to find the number of lines, words and characters in a file.
 |-
 |03:28
@@ Line 199: / Line 199: @@
 |-
 |04:53
-|Instead ,it looks to pick up the input from '''standardin.'''
+|Instead it looks to pick up the input from '''standardin.'''
 |-
 |04:57
-|Now we have directed the '''standardin''' to the file 'test1dot txt'.
+|Now we have directed the '''standardin''' to the file 'test1 dot txt'.
 |-
 |05:01
-|Hence the command reads from 'test1'
+|Hence the command reads from 'test1'.
 |-
 |05:04
@@ Line 221: / Line 221: @@
 |05:20
 |Suppose, 'n' refers to the file descriptor.
+'n single right-angled bracket'
-''n''single right-angled bracket
-−
 redirects output from file descriptor ''n'' to a file.
 |-
@@ Line 236: / Line 234: @@
 |-
 |05:40
-|' n 'double right-angled bracket' also redirects output from file descriptor ''n'' to a file.
+|'n double right-angled bracket' also redirects output from file descriptor ''n'' to a file.
 |-
 |05:47
@@ Line 248: / Line 246: @@
 |-
 |05:59
-|The ''n'' in n single right angle bracket or n double right angle bracket refers to the ''file descriptor''.
+|The ''n'' in 'n single right angle bracket' or 'n double right angle bracket' refers to the ''file descriptor''.
 |-
 |06:05
@@ Line 257: / Line 255: @@
 |-
 |06:15
-|But, to redirect error stream, you have to use 2 right angle brackets or 2 double right angle brackets.
+|But to redirect error stream, you have to use 2 right angle brackets or 2 double right angle brackets.
 |-
 |06:22
@@ Line 305: / Line 303: @@
 |-
 |07:44
-|So,the contents of the file '''wc_results''' would be overwritten.
+|So, the contents of the file '''wc_results''' would be overwritten.
 |-
 |07:48
@@ Line 363: / Line 361: @@
 |-
 |10:06
-|We have seen how the three '''streams''' standard out, standard in, standard error are redirected and manipulated separately. But the real power of this concept can be gauged when we can manipulate the streams together, ie connect the different streams.
+|We have seen how the three '''streams''' standard out, standard in, standard error are redirected and manipulated separately. But the real power of this concept can be gauged when we can manipulate the streams together, i.e connect the different streams.
 |-
 |10:20
@@ Line 375: / Line 373: @@
 |-
 |10:30
-|It looks like ''' command1 vertical bar command2 hyphen option vertical bar command3 hyphen option1 hyphen option2 vertical bar command4'''.
+|It looks like '''command1 vertical bar command2 hyphen option vertical bar command3 hyphen option1 hyphen option2 vertical bar command4'''.
 |-
 |10:46
-|Say we want to know the total number of files and directories present in the current directory,
+|Say we want to know the total number of files and directories present in the current directory.
 |-
 |10:51
-|what we can do? We know
+|What we can do? We know
 '''ls space minus l''' will list all files and directories of the present directory.
 |-
@@ Line 413: / Line 411: @@
 |-
 |11:50
-|We can do it much easily using pipes like this . We write:
+|We can do it much easily using pipes like this. We write:
 '''ls space minus l 'vertical bar' wc space minus l'''
 |-

@@ Line 181: / Line 181: @@
 |-
 |04:19
-|what happens is that wc will tell us the no. of lines,words and characters in the file '''test1 dot txt'''
+|what happens is that '''wc''' will tell us the no. of lines,words and characters in the file '''test1 dot txt'''
 |-
 |04:27
@@ Line 289: / Line 289: @@
 |-
 |07:09
-|Press enter.
+|Press '''enter.'''
 |-
 |07:11
@@ Line 306: / Line 306: @@
 |-
 |07:44
-|So,the contents of the file wc_results would be overwritten.
+|So,the contents of the file '''wc_results''' would be overwritten.
 |-
 |07:48
@@ Line 339: / Line 339: @@
 |-
 |09:06
-|Now the error will not show on the terminal, rather it will be written in the file errorlog dot txt
+|Now the error will not show on the terminal, rather it will be written in the file '''errorlog dot txt'''
 |-
 |09:12

@@ Line 444: / Line 444: @@
 |One common use of pipes is for reading multipage displays.
 |-
-|12:19
+|12:19 '''cd space slash user slash bin'''.
-|Type "cd space slash user slash bin".
 |-
-|12:24
+|12:24 '
 |So, we are now in bin directory.
 |-

@@ Line 1: / Line 1: @@
-{| border=0
+{| border=1
 |'''Time'''
 |'''Narration'''