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

Unix Commands Interview Questions

Questions Answers Views Company eMail

Can you explain a little bit about command substitution?

1164

Describe the zip/unzip command using gzip.

1226

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1268

Explain ‘library functions’ with respect to unix commands?

1214

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

1 1720

What is the command to find hidden files in the current directory?

1235

What is the unix command to confirm a remote host is alive or not?

1280

What do chmod, chown, chgrp commands do?

1352

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

1265

Explain mount and unmount command.

1280

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

1228

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

1215

Explain how to use grep command to list find the records of a file containing 10 different strings?

1124

What is the comma to display different lines that are found when compare two files?

1247

What is the comma to show the space allocation of files?

1135

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Un-Answered Questions { Unix Commands }

Why is it called grep?

1085

What is the behavioural difference between cmp and diff commands?

1342

What is the general format of unix command syntax?

2029

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

1228

What is the command to compare two files in unix?

1171

Why is shebang used?

1195

Name the various commands that are used for the user information in unix.

1133

How do I run a whois command?

1203

Which command should you use to find the remaining disk space in unix server?

1350

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

1269

Is it inbetween or in between?

1108

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

1274

What is .sh file?

1257

How does pipe () work?

1146

What does #!/ Bin sh do?

1115

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