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?
Answer Posted / sachin mali
1. For changing the runlevel you should have to go in
/etc/inittab. There you can change the runlevel what you
want.It will not affecting current user. After restarting
system your system will boot in which run level you have set.
3. Internel command means whichever command are builtin the
system BIOS. And External command means Which are
nonbuiltin.It outside the shell. It require shell.
4. VMstat & sar are showing the free memory of the system.
5. ls command is use list a file & cat & vi is to open a file.
6.
Is This Answer Correct ? | 3 Yes | 6 No |
Post New Answer View All Answers
How do I clear my run history?
If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred?
What does wc command do in unix?
How do you know which shell I am using in linux?
How will you suspend a running process and put it in the background?
Who linux commands?
What is du command in linux?
I am using RedHat 6.3 in I wanna to install and configure zimbra mail. Can anybody tell me what are the RPM packages required for zimbra mail ? Where can I get those RPM packages ?
What is top command in linux?
What does && mean in bash?
What is Data Command?
How can we increase disk read performance in single command in Linux operating system?
What command is used to check the number of files, disk space, and each user’s defined quota?
What is umask in linux?
What is tail command in linux?