Study tips LX0-103

What does the ? symbol within regular expressions represent?

how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

Which of the following files, located in the user home directory, is used to store the Bash history?

which file the user history is stored when exiting a Bash process?

Which of the following commands displays the contents of a gzip compressed tar archive?

Which grep command will print only the lines that do not end with a / in the file foo?

Which of the following commands is used to change options and positional parameters for a running Bash?

Which of the following commands replaces each occurrence of ‘bob’ in the file letter with ‘Bob’ and writes the result to the file newletter?

which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell?

Which of the following statements is correct?