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TCS Unix Commands Interview Questions

Questions Answers Views Company eMail

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

8 23534

How to get the operating system's information in unix?

6 16682

distinguish between physical addresses and logical address?

23 83659

What is the difference between pipe (|) and tee command in unix

14 55679

how many types of file in unix?

34 52560

What is the difference between Shell Programming and Shell scripting?

10 41424

can we use cat command as an editor ..???

12 23663

how many internal commands is there in UNIX?

3 16798

if we create a file, in that 10 rows(means 1,2,....9,10 like). i want 7 row exactly, which command use in unix? plz send this question.

28 36200

Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.

8 25107

How to install scsi driver in unix? give me explanation clearly?

1 7935

Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance

3 9015

29. How to display top 10 users Who | head -10 | wc –w

4 11743

How to check whether some services are running in another server or not? Suppose i am currently in a server named A.I want to check whether some services are running in server B without logging into the server B.

3 16539

What is the difference between udp and tcp?

2 10811

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TCS Unix Commands Interview Questions

TCS Unix Commands Interview Questions (16)

Un-Answered Questions

How to insert/update a csv file by comparing it with another csv file? for example, i have 2 input files : ColA ColB ColC 1 A AA 2 B AB 3 C CC and second one : ColA ColB ColC 2 B BB 4 D DC Job should compare these 2 files and update the records present in first input file. so the output file will look like this: ColA ColB ColC 1 A AA 2 B BB 3 C CC 4 D DC

2014

What is the distinction amongst delete and truncate?

1058

What is python? What are the benefits of using python?

898

Describe the difference between inline and code behind - which is best?

1112

What is the purpose of the jdbc resultset interface?

908

how to generate the test data in sas without input data? : Sas-administrator

1124

What’s the difference between the apache web server and apache tomcat?

856

What is scala option?

Tell me what are cursors and when they are useful?

948

How do you reverse a string in java without using string buffer?

1089

find max length of any given sublist?

872

Describe some assumptions considered important for linear regression?

303

How we format the data before writing a statement in the report?

906

Why do we write bin bash in shell scripts?

1009

if we have 10 identical ball & will have to find the one ball in 3 trials whose weight may be more or less than other.How we can do it.

2113