Question

Basic Unix Commands

Objective:
The objective of this lab is to work with files of UNIX file system.

Procedure:
1. OpenyourUnixshellandtrythesecommands:

Ø Create a new file and add some text in it vcat > filename

• Ø View a file
  vcat /etc/passwd vmore /etc/passwd vmore filename

• Ø Copy file, making file2 vcp file1 file2

• Ø Move/rename file1 as file2 vmv file1 file2

• Ø Delete file1 as file2 vrm file

//Deletefile //Double-checkfirst

vrm -i file
Ø Counts the lines, words, characters in file

vwc file
Ø Search file for a string

v Grep lubuntu /etc/passwd v grep 'else' /etc/profile
v grep ^united ~/myFile

// List lines containing ‘lubuntu’ in /etc/passwd

//Lines containing ‘else‘ in /etc/profile

//Lines starting with ‘united’ in ~/myFile

1

• Ø Output can be redirected to a file with’>’ vls > dir.txt
  vcal 1997 > year1997

• Ø Output can be appended to a file with ’>>’ vcal 1997 > years
  vcal 1998 >> years

• Ø Concatenate two files vcat f1 f2 > fs

• Ø Input redirection (less common) uses ‘<‘ vwc < years

• Ø Combine input and output redirection vwc < years > year-counts

  *Do screenshot of each steps you have completed* ((using lubuntu))

Answer 1

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