Hello,I want to extract 2 characters of the first column of the one file, that file has 19 columns, in bash script.the first column is some thing like this 2005-07-25, and I want to extract 07. I wrote this codeawk '{ print $ substr ($1,6, 2)}, but out put is he whole of the column: 2005-07-25! can you help me?

vishal singh

• May 8th, 2017

Awk {print substr($1,1,2)} t1.txt t1.txt NAME AGE GENDER SANTOSH 23 Male ajay 24 Male vijay 24 male

Code
 

apoorva

• Apr 25th, 2017

Awk -F "-" {print substr($2,0,2)} xdf.txt

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Ansil

• Oct 10th, 2011

14.Depend on utilization% of sys,wait and usr a) If sys is showing high value, there may be more kernel system calls b) If usr is high ,the application space is using CPU for their operation c) If wa...

Ramya

• Oct 6th, 2011

The '.' indicates the current directory. If the PATH environment variable is not set to look for commands in current directory, you need to use a './' before executing any command in the current directory.

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A)provides information on helpb)grep searches in a file whereas find searches for files and directories.c)both a) and b)d) none of the above

Parth Gandhi

• Dec 6th, 2017

C) both a and b

sandip

• Sep 4th, 2016

In find command we can search all type of file or directory.
like: inode number wise, size wise, name wise, permission wise etc.

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How to find first word of the first line of the first ten files?

Asish

• Dec 23rd, 2017

Head -1 *.* | head -10 | ask { print $1} or cut -d -f1

firoz khan

• Aug 27th, 2017

Sed -n 1 p file | cut -f1 -d | head -10

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VISHAL SINGH

• May 8th, 2017

First character represent whether it is file or directory or link file .
d--> is directory
- --> is file
drwxrwxrwx
drwxrwxrwx
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
-rw-rw-rw-
drwxrwxrwx
-rw-rw-rw-
-rw-rw-rw-

Sagar Mishra

• Nov 11th, 2016

The first character that will return is either(-) or (d).

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Pranita

• Nov 30th, 2017

The answer 2 is incorrect.
2. It is a name of file in root directory.

Sthitaprajna

• Mar 17th, 2017

1 & 3 are correct answers.

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Jaipalreddy

• Jun 22nd, 2017

Gzep filename.gz

Manvendra

• Jun 4th, 2016

Lot of options available like gzip, compress and tar

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Abhishek

• Oct 24th, 2017

This setting keeps the files useless; you cant do anything with it. But the user can still delete this file.

Vema Reddy Konda

• Sep 7th, 2017

Sed -n 1p Filename | cut -d" " -f1

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cd $HOME

mahes

• Dec 3rd, 2017

Cd $home
cd ~

Priyabrata Pradhan

• Jul 9th, 2017

Cd
i.e cd without any argument

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sonam

• Oct 31st, 2019

file owner Chown is the command..

Srini

• Mar 18th, 2018

If you want to change the file permissions "Chmod" is the command

If you want to change the file owner Chown is the command..

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Rajasekar Munuswamy

 Profile Answers by Rajasekar Munuswamy Questions by Rajasekar Munuswamy

• May 18th, 2011

Default Runlevel : 2 4 Fields : "Identifier:Runlevel:Action:Command"# who -r 2 to 9

Namdeo Patil

 Profile Answers by Namdeo Patil Questions by Namdeo Patil

• Jul 20th, 2010

Default run level in IBM AIX is 2, 4 fields in Inittab file : id:runlevel:action:command

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How to grep directories has reached above 80% from the df output using basin grep command.below are the steps i have used

df -h > date.ksh

grep "%" date.ksh >space.ksh

cut -c 40-44,45-80 space.ksh > %.ksh

grep "[80-10][0]%" %.ksh

see the output after above cmd
$ grep "[80-10][0]%" %.ksh
100% /opt/tivoli/tsm
80% /prod/users/edw

Asish

• Dec 28th, 2017

Df -h | tr % /32 | awk $5 > 80

suman chakraborty

• Nov 8th, 2016

Df -k | tr -s " "|awk {FS=" ";}{if ( substr($5,1,2) >= 80 ) print $1;}

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Jerry Gallagher

 Profile Answers by Jerry Gallagher Questions by Jerry Gallagher

• Jan 4th, 2014

The root directory of disk also known as the MBR or the GUID partition is at a fixed location with replicas distributed at additional locations on the system disk determined by size.

anu

• Aug 1st, 2013

Fread.This commands reads a file and stores the file in the given folder of disk.

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Pradip

• Sep 14th, 2017

Mv file.txt .file.txt ----for making file hidden
rm .* -------for deleting hidden files.

Anupam Kumar

• Oct 27th, 2016

To hide a file- mv filename1.dat .filename.date to remove only hidden file-

Code
span style="color: #666666;">"comm -2 file1.txt file2.txt"

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1. Output of who should be displayed on the screen with value of total number of users who have logged in displayed at the bottom of the list.2. Output of ls should be displayed on the screen and from this output the lines containing the word ‘poem’ should be counted and the count should be stored in a file. 3. Contents of file1 and file2 should be displayed on the screen and this output should be...

praveen

• Apr 11th, 2014

1. Output of who should be displayed on the screen with value of total number of users who have logged in displayed at the bottom of the list. Ans: who | tee users.txt && who | wc -l 2. Output of ls...

santosh

• Mar 20th, 2012

Who;echo "Total number of users: "`who|wc -l`

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aysaha

 Profile Answers by aysaha Questions by aysaha

• Jun 22nd, 2009

Cat |sed s/:/,/g|awk -F"," '{print $1","$2","$3;print$1","$2","$4}'

ppravinreddy

 Profile Answers by ppravinreddy Questions by ppravinreddy

• Aug 30th, 2007

use below command:$ cat t.txtjsmith,235456939,MATH29879:PHYS45979jdoe,750378929,ENGL36899:JAPN92576$ cat t.txt|sed "s/:/,/g"|awk -F"," '{OFS=","; print $1,$2,$3;print...

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Markerhell

 Profile Answers by Markerhell Questions by Markerhell

• Aug 27th, 2009

1. ls ../2. for files: 644    for directory: 7553. default umask value: 0224. He must not be having permissions to access the file, so cant even change the permission of the file5. When...

rps1007

 Profile Answers by rps1007 Questions by rps1007

• May 12th, 2008

Ls .. gives the content of the parent directoryls ../.. gives the content of parent's parent's direcoty

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ri

• Mar 22nd, 2016

Kernel basically provide the interaction layer between application programs and the physical device.

jay prakash patel

• Aug 14th, 2011

Kernel is base foundation of operating system .The kernel provide services such as hardware and software interaction
and memory management. Efficiency of operating system is depend on efficiency of kernel.

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cmanne

 Profile Answers by cmanne Questions by cmanne

• Sep 2nd, 2009

the best was is to use CHOWNExample:chown owner:group chown -R owner:group <---- This will change the owner and group of all the files inside the directory recursively. 

Markerhell

 Profile Answers by Markerhell Questions by Markerhell

• Aug 28th, 2009

chmod permission file_name/directory_name

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Absolute path : Exact path from root directory.Relative path  : Relative to the current path.

mmakoko

 Profile Answers by mmakoko Questions by mmakoko

• Jul 25th, 2009

Absolute path: Exact path from root directory to the target directory.Relative path: Path for current directory to target directory.

shyam82

 Profile Answers by shyam82 Questions by shyam82

• Apr 21st, 2009

Relative path name is relative to current directory. Following notations are very heplful.1* denotes current directory2** denotes parent directoryAbsolute path name is full path name. Each directory a...

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