Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

853

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

802

What are awk commands?

845

How do I use grep to find a file?

845

How does unix work?

669

How many types of files are there in unix?

771

What do you mean by the protection fault?

778

What does #!/ Bin sh do?

796

What are three main elements of unix operating system?

673

Why does the sockets buffer fill up sooner than expected?

1151

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

881

Is unix an operating system?

697

How to write the program on full-duplex communication on bidirectional(e.g using two pipes)?

790

What is the command to compare two files in unix?

859

What is a socket file?

691