How do I check memory usage on linux?
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what is the command to view gateway?
difference between patches and packages? and how to upgrade patches
How to hide the partition in GRUB booting? (This technique is required when you have more that one Windows system on different partitions of the same disk, let us say the first and second partitions of the first hard drive, to boot from the first partition you must hide the second one)
1.I want to change runlevel but the Users shall not be disturbed?how? 2.Disk have 5gb disk utilization even though files unable to create, why? 3.what are the internal and external command in linux? 4.sar command o/p? 5.how list the open files? 6.what is kernel compiling? 7.How do u See complete configuration in ur system? 8.how will u make a daily updates with cron daily? 9.which port is associated with ttys0? 10.specific some problems linux admin(if u are linux admin)faced and how did u overcome it?
10 Answers IBM, TCS,
what is snmp and for what purpose we are using in linux
How do you grep?
What is tty in linux command?
i dont know root password then this situation can we change or break root password to ant process
Explain how you would manage background and foreground processes in Linux.
Explain about the command elm?
What does uname do in linux?
1.what is Kernel parameters? 2.how many cpu have use in your machine?