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Linux

Linux
What shell's wild-card is used to match a single character?

[ijk]
?
[ijk]
*

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Linux
What sign is used to back up over typing errors in vi?

#
$
€
@

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Linux
What TCP/IP protocol is used for transferring electronic mail messages from one machine to another?

SMTP
None of the listed here
FTP
SNMP

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Linux
What sign is used to erase or kill an entire line you have typed and start you are on a new line (but not display a new prompt)?

@
#
$
€

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Linux
Which of the following command is used to see the services running in NFS server?

rpcinfo
NFSinfo
serverinfo
infserv
None of these

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Linux
What command is used to assign only read permission to all three categories of the file'letter'?

chmod a - rw letter
chmod go + r letter
chmod u + r, g + r, o - x letter
chmod ugo = r letter

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