1. How can you append the output of a command to a file? Command file Command < >file 2. Which command is used to copy

1. How can you append the output of a command to a file?

Command

Command > file

Command <

Command >>file

2. Which command is used to copy all files having the string chap and any two characters after that

cp chap* progs

cp chap?? Progs

cp chap%% progs

cp chap ^^ progs

3. vi always starts in _________mode

insert

command

last line

ex

4. in vi editor, to get out of insert mode, press the ___key, which will put you back into command mode.

Shift

Esc

Ctrl

Alt

5. Which command is used with the vi editor to save file and remain in the editing mode?

:q

:q!

:w

:x

6. How do you rename file new in file old

mv new old

rm new old

cp new old

rn new old

7. Unix OS is an _______.

Time sharing OS

Multi-tasking OS

Multi_user OS

All the above

8. dev directory contains files for controlling

temporary file

input/output

log files

backup files

9. _____________directory contains executable file for most of the Unix commands

lib

bin

dev

tmp

10. Root directory in Unix is denoted by ____________

/

\

()