The Power OF The Command Line

You want to find lines in 'file.txt' that do NOT contain the word 'success'. Which command works?

What is the result of 'echo $USER'?

You need to display the contents of a file named 'config.txt' directly to your terminal screen. Which command should you use?

Which THREE of the following are valid ways to get help on a command?

Which TWO of the following regex patterns are valid for grep to match the beginning or end of a line?

Which THREE of the following tools can be used for text processing?

Which command is used to display the current working directory in the terminal?

Which TWO of the following commands can be used to redirect input from a file?

Which TWO of the following are commands to delete files or directories?

Which symbol represents the current user's home directory in the shell?

You need to change the environment variable PATH to include the directory '/opt/bin'. Which command is standard?

You want to find all occurrences of the string 'ERROR' within the 'syslog' file. Which command is most appropriate?

What is the purpose of the 'tee' command?

Which THREE of the following are common shell built-in command types?

Which TWO of the following are valid commands for displaying file contents?

You have a compressed file 'data.tar.bz2'. Which flag is needed to extract it?

Which TWO of the following signals can be used to interact with processes?

Which THREE of the following are valid ways to run commands sequentially?

You need to find files modified within the last 7 days. Which find flag is correct?

You want to execute two commands sequentially, but only if the first command succeeds. Which operator is used?

Which command removes a directory and all its contents recursively?

Which TWO of the following help manage compressed archive contents?

Which command-line shortcut allows you to autocomplete filenames and commands?

If you want to view a long text file page by page, which command is most suitable?

Which character is used to append output to an existing file without deleting its original content?

You need to set an environment variable named 'MYVAR' to 'hello' so that it is available to child processes. Which command is correct?

You wish to send the output of the 'ls -l' command directly into a file named 'dirlist.txt', overwriting any existing content. Which operator should you use?

Which command is used to display lines of a file that match a pattern, while ignoring case?

You need to create a compressed archive of the '/home/user/docs' directory named 'docs.tar.gz'. Which flag ensures gzip compression is applied?

What is the result of the command 'ls -la | grep "^d"'?

What does the command 'history' do?

How do you check the exit status of the last command executed?

To sort the lines of a text file numerically instead of alphabetically, which flag do you use?

Which THREE of the following represent ways to manipulate command output in a pipe?

You want to replace every occurrence of 'old' with 'new' in the file 'data.txt' and view the result in the terminal. Which command achieves this?

Which THREE of the following are valid flags for the 'tar' command?

Which THREE of the following are environment variables commonly seen in a Linux shell?

You want to search for a file named 'notes.txt' starting from the root directory. Which command is most efficient?