Week 8 - Linux Commands and Aliases Quiz

What does the `grep` command stand for?

• Global Reverse Expression Printer

• Global Regular Expression Print

• Global Recursive Expression Printer

• None of the above

Which option in `grep` is used to search for whole words?

• `-v`

• `-w`

• `-i`

• `-c`

How do you avoid case sensitivity in the `grep` command?

• Use the `-v` option

• Use the `-c` option

• Use the `-i` option

• Use the `-o` option

What does the `-n` option in the `grep` command do?

• Shows the number of lines matched

• Finds the line numbers of matched lines

• Prints lines around the match

• Ignores the matched lines

How can you display lines before and after the matched lines in `grep`?

• `-w`

• `-v`

• `-B` and `-A`

• `-C`

What is the command to view all currently defined aliases?

• `alias`

• `unalias`

• `lsalias`

• `viewaliases`

How do you create a temporary alias?

• Use the `unalias` command

• Add the alias to `.bashrc`

• Use the `alias` command directly in the shell

• Modify the `.profile` file

What is the purpose of the `.bashrc` file in Linux?

• To define temporary aliases

• To configure system-wide aliases

• To preserve aliases across sessions

• To list active aliases

Which command removes a defined alias?

• `rmalias`

• `deletealias`

• `unalias`

• `removealias`

What does the alias `noAG` represent in the tutorial?

• Counts and displays subdirectories in a directory

• Counts and displays all files in a directory, including hidden ones

• Counts and displays all aliases

• Displays system-wide environmental variables