How to use the head and tail commands | Linux commands Part 5
#head #tail #bash #terminal #basic #command #linux
In linux, getting a portion of a text from a Input file is Very common and to perform such operation we have two command i.e. head and tail command
As their name implies , head command is use to get the first part of the file , while the tail command is use to get the last part of the file
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Intro-(0:00)
explanation-(0:16)
head-(1:10)
tail-(5:05)
endscreen-(10:55)
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▶️head [first part]
To get default output : head textfile
to get first n specified line : head -n9 textfile [first 9 lines will be printed]
to get all lines except last x lines : head -n-x [x can be any const. 1,2,3]
to get first c specified character : head -c7 [print first 7 character]
to get output from multiple files : head file file2 [will print fisrt default no. of lines from 1st file as well as 2nd file]
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▶️tail [last [part]
To get default output : tail textfile
to get last n specified line : tail -n9 textfile [last 9 lines will be printed]
to get the lines starting from x till last : head -n+x [x can be any const. 1,2,3]
to get last c specified character : head -c7 [print last 7 character]
to get output from multiple files : tail file file2 [will print last default no. of lines from 1st file as well as 2nd file]
to get output from files that are currently changing : tail -f filename
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scripts used
1. to create a file of 100 lines consisting from 1 to 100 digits used in video : https://github.com/shazx06/youtube/bl...
2. to create a script to apped the content to the end of the file file used in the video :https://github.com/shazx06/youtube/bl...
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▶️Basic commands in Linux Part 1 : • Basic commands in Linux - Part 1 | li...
▶️Basic commands in Linux part 3 : • Basic commands in Linux - Part 2 | li...
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