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Unix

Unix
The command used to remove the directory is;

rd
rmdir
remove
rdir
None of these

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Unix
Which command is used to copy all files having the string chap and any two characters after that to the progs directory?

cp chap[12] /progs/*.*
cp chap?? /progs/*
cp chap* progs
cp chap?? progs

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Unix
In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.

.mbox
.profile
.exrc
None of these
lastlogin

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Unix
The second set of the three permissions (r-) indicates that

other has read permission only
owner has read permission only
group has write permission only
group has read permission only

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Unix
Which of the following shell's wildcards are used to match any number of characters including none?

None of these
[!ijk]
[ijk]
?
*

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Unix
Which command is used with vi editor to search a pattern in the forward direction?

/
?
??
//

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