Unix Commands Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Commands Interview Questions

Questions Answers Views Company eMail

describe the escaping sequence characteres in unix

1 8053

Write a grep (or grep) command that selects the lines from a file that have exactly three characters.

Mac, Nokia,

24 40586

What is an Environment Variable?

CTS,

4 11928

what is the use of ls -l command & what is the information it gives about user ?

5 10197

why unix operating system provides more security than other operating systems?

4 17120

why unix commands can be divided into internal and external commands?

Informatica,

3 12089

Which RAID Levels supported by LVM?

5 13125

Where can I get the free download of Unix by Yeswant Kanetkar?

5 9038

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

TCS,

12 23754

How can we "forked" process in UNIX? How then recognize in any of the branches we?

NIIT,

2 7237

How does one process we can start an executable file? How to get the PID process, which we started?

6 11481

how many internal commands is there in UNIX?

TCS, Virtusa,

3 16828

How to set sticky bit, or it have any seperate directory to create sticky bit in sunfir servers. Please help me , i don't no the exact answer?

HCL, Wipro,

4 12556

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.

TCS,

28 36303

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.

Concentrix, IBM, Symantec, TCS,

8 25159

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Un-Answered Questions { Unix Commands }

What is command substitution?

1376

What is the use of cut command in unix?

1377

What is used to type command?

1064

What is a command and examples?

1240

What does grep v do?

1059

How do I clear my terminal history?

1177

What is s and g in sed command?

1120

Who command in unix?

1147

What is nr in awk command?

1211

How do I use nslookup?

1099

What is the general format of unix command syntax?

1946

how to sort the content of the file based on numeric values

1788

How does pipe () work?

1100

Explain mount and unmount command.

1226

How to display no of records in oracle using unix command?

1175

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