How to block the message in wall command some students are send messages to all in the lab. please help me

5 Answers  

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You attempt to delete a file called sales.mem using the rm command but the command fails. What could be the problem?

0 Answers  

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State and explain about features of UNIX?

0 Answers  

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How can you check the amount of lines in a file?

0 Answers  

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i am prepairing for 2+ yrs exp in oracle/unix production support, which topics should i cover in unix/linux and sql plz help

2 Answers   HCL,

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What is the difference between rmdir and rm r?

0 Answers  

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How do I permanently delete linux history?

0 Answers  

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I have Laptop. I want to assign DHCP ip address, but in my Laptop having Wireless and with wire NIC cards, it is possible to assign reserve ip address for both NIC card, but same host name?

4 Answers   AOL,

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How to root mirror in Linux? How to replace mirrored hdd in case of failure?

1 Answers   Siemens,

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How do I find the linux version?

0 Answers  

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What is the command to remove Lvm ,Pv and vg

12 Answers   Tech Mahindra, TNS,

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What is the command to list ALL (hidden also) files of current directory & it’s subdirectories?

6 Answers  

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