What is the difference between udp and tcp?

2 Answers   HCL, TCS,

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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 Answers   Concentrix, IBM, Symantec, TCS,

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

24 Answers   Mac, Nokia,

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Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?

10 Answers   Infosys,

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How to check the flavor of UNIX?

8 Answers   HCL, Syntel,

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what is the use of "test" command in unix?

4 Answers  

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how to unzip the contents of the gzip file

1 Answers   Epsilon,

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When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?

3 Answers  

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how many internal commands is there in UNIX?

3 Answers   TCS, Virtusa,

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Which command is used to kill the last background job?

0 Answers  

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What is s and g in sed command?

0 Answers  

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Write a command to display a file’s contents in various formats?

0 Answers  

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