Linux Fundamentals Day 2 - Intern Batch 7

The encrypted password of a user is stored in

• /etc/shadow

• /etc/enpasswwd

• /etc/.passwd

• /etc/passwd

The /etc/passwd file doesn’t contain

• userid

• home directory for a user

• login shell name

• none of the mentioned

User id 0 is

• An innvalid user id

• The id of the root user

• The id of a user when the user’s account is deleted

• None of the mentioned

Which of the following command can be used to change the user password?

• user can’t change the password

• passwd

• pwd

• passd

Which of the following symbol(s) can be used to redirect the output to a file or another program?

• |

• >

• >>

• All of the Above

We can redirect the error message to file named newfile using __________ command.

• cat foo errorfile

• cat foo >errorfile

• cat errorfile>foo

• cat foo 2>errorfile

Answer explanation

Redirecting standard error requires the 2> symbol.

Which command saves one copy of character stream in a file and store the other to standard output?

• who

• tee

• ls

• wc

Answer explanation

tee command handles a character stream by duplicating its input.

Which stream is connected to the display?

• standard input

• standard output

• standard error

• error

Answer explanation

Standard output is the file (or stream) which is used for representing output, and is connected to the display.

The >> symbol is used to overwrite the existing file if it exists.

• True

• False

Answer explanation

The shell provides the >> symbol (right chevron used twice) to append to an existing file.

Which symbol is used to connect different streams?

• |

• #

• &

• <