What are the differences among a system call, a library function, and a unix command?


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More Unix Commands Interview Questions

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,


how to remotely move a file ??? that mean how to move a file one machine to another machine ???

10 Answers   Altair,


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

9 Answers   IBM,


Give the command to display space usage on the UNIX file system.

6 Answers  


what is the use of the hidden files?

3 Answers  


A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me

7 Answers   CTS,


How can you see the command line history?

0 Answers  


write grep commands to select the lines that have exactly two characters

8 Answers   PSI Data Systems,


What is the use of the tee command?

0 Answers  


what is difference between unix and linux?

6 Answers   IBM, Shell, Wipro,


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?

4 Answers   HCL, Wipro,


By using which command we can find the CPU utilization time?

7 Answers   Amazon,


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