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Unix Commands Interview Questions
Questions Answers Views Company eMail

What command is used to replace the existing string with some other?

TCS,

8 15891

What Command is used to make a directory?

IBM,

4 7823

Give Command that will move a single file called "unix.txt"

IBM,

7 9707

Give command that will make the file "run.sh" executable?

IBM,

10 15033

Give Command that will change the name of a directly from paypal to eBay

Alcatel, IBM,

3 8861

How does a user get the current date, time in UNIX?

IBM,

6 13235

What Command will remove a Directory in UNIX?

IBM,

8 15697

How does the user view the contents of a text file in UNIX?

IBM,

9 10000

What command will bring user back to their home directory in UNIX?

IBM, Wipro,

13 15692

What command a user use to view a long text file one page at a time in UNIX?

IBM,

8 12931

What command would users use to see what file one page at a time in UNIX?

IBM,

7 10445

fork in unix ?

BFL,

4 8216

in unix echo is used for

BFL, BirlaSoft, Patni,

10 21908

The command grep first second third /usr/you/myfile a) prints lines containing the words first, second or third from the file /usr/you/myfile b) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints them c) searches the files /usr/you/myfiel and third for lines containing the words first or second and prints them d) replaces the word first with the word second in the files third and /usr/you/myfile e) None of the above

IBM,

4 10367

what is the command to list files in a directory in UNIX?

8 7586


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Un-Answered Questions { Unix Commands }

what is the advaantage of each user having its own copy of the shell?

1554


Write a command to kill the last background job?

248


What is the use of the command 'ls -x chapter[1-5]' ?

237


Name the general commands in using unix os for a beginner?

180


Can you write a command to erase all files in the current directory including all its sub-directories?

222






How does the system know where one command ends and another begins?

746


Which command can you use to find the currently running process in unix server?

191


Give the command for finding the current date.

202


What is the command to find maximum memory taking process on the server?

203


What is the behavioural difference between cmp and diff commands?

236


How do you grep recursively?

179


How can we use grep command in unix?

206


What is s and g in sed command?

176


Differentiate cat command from more command.

209


What is merge command in unix?

193