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Unix

Unix
In vi editor, forward search is performed using the command.

:pat
All of these
?pat
/pat

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Unix
The commonly used UNIX commands like date, ls, cat, etc. are stored in

/dev directory
/bin and /usr/bin directories
/unix directory
/tmp directory
None of these

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Unix
Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

chmod u+x emp[1-3]
chmod u+r ??? emp
chmod 777 emp*
chmod 222 emp?

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Unix
Which command is used to display and create files?

cat
lyrix
ed
vi

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Unix
The File that contains a set of instructions which are performed when a user logs in, is

.autoexec
.profile
None of these
autoexec.bat
.exrc

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Unix
The UNIX file system stores a date in physical blocks of

2048 bytes
None of these
256 bytes
1024 bytes
512 bytes

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