1 File Commands in Linux

Which option with cat displays line numbers?

• cat -n

• cat --number

• cat -l

• cat -e

How do you concatenate multiple files using cat?

• Execute 'cat file1 file2 -o output_file' to join files.

• Use 'merge file1 file2 > output_file' to combine files.

• Use 'cat file1 file2 ... > output_file' to concatenate files.

• Run 'cat > output_file file1 file2' to concatenate files.

What is the purpose of the ls command?

• To delete files

• To change directory

• To copy files

• To list directory contents.

Which option with ls shows hidden files?

• ls -a

• ls -l

• ls -1

• ls -h

How can you list files in a detailed format using ls?

• ls -h

• ls -l

• ls -R

• ls -a

What does the cp command do?

• The cp command moves files to a different location.

• The cp command compresses files.

• The cp command copies files and directories.

• The cp command deletes files and directories.

Which option with cp allows you to copy directories recursively?

• -a

• -r

• -f

• -u

How do you overwrite a file when using cp?

• Use 'cp --no-clobber source_file destination_file' to overwrite a file.

• Use 'cp -r source_file destination_file' to overwrite a file.

• Use 'cp -f source_file destination_file' to overwrite a file.

• Use 'cp -i source_file destination_file' to overwrite a file.

What is the effect of using 'cat > filename'?

• It appends data to an existing file without user input.

• It creates or overwrites a file with the specified name and allows user input to be written to it.

• It creates a directory with the specified name.

• It deletes the specified file if it exists.

How can you append text to a file using cat?

• cat >> filename

• cat > filename

• cat append filename

• cat filename >>