Exam 4: Unix-Linux File Processing

You can use the ____________________ command to remove specific columns or fields from a file.

The command rmdir can be used to delete a directory that is not empty.

Match each item with a statement below. -option of the cut command used to indicate that a specific character separates the fields

What is the purpose of entering the following command? cp designs-* duplicates

The ____ command is used to look for patterns in files.

What is a shell script?

You can use the ____________________ command to associate lines in two files on the basis of a common field in both files.

You can complete a project using awk that you cannot complete using a combination of paste,cut,sort,and join.

Describe some tasks that the awk command can perform.

Match each item with a statement below. -when deleting a directory with rm,this option is used to recursively delete its files and subdirectories

When you use find,it is useful to note that some UNIX versions require the ____ option after the file name to display the names of files.

What is a fixed-length record?

The ____ option of the find command displays files that have been changed within the last n days.

Moving and renaming a file are essentially the same operation.

Although the touch command cannot alter a file's ____________________ changed date and time,it can alter the file's access and modification dates and times.