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Linux

A free and open-source family of operating systems first started in 1991 and named after its creator, Linus Torvalds.

2,239 Questions

What does chroot do on a Linux OS?

If one is using a Linux operating system a chroot is an operation that will change the root directory for the current running process and and its branches or "children". One can find more information regarding the usage of chroot on the Wikipedia website.

What is the difference between Unix and Unix-like?

In order to legally be called a "Unix" system, operating systems must undergo a rigorous and expensive certification procedure. "Unix-like" refers to systems that have an architecture similar to Unix, but have not undergone certification.

Where can one learn how to use Linux?

There are many available resources that can assist an individual with learning how to use Linux. A couple resources that can assist an individual with learning how to use Linux include: Wikihow and Linuxcommand.

How do you measure the primary and logical partitions in Linux?

You can measure the free space and total space of all mounted file systems using the df command.

How is Linux growing?

It is difficult to measure, but most experts agree that Linux is quickly expanding on the desktop market.

On other markets Linux has already had a pretty strong presence, in many it already is the dominant operating system (Servers, Cluster/Farm Computing, Supercomputers.).

How do you run a pkg program?

files with the extension .pkg are usually installers. If you have the installer utility on your mac (which you should because it comes with it) you should be able to just open the .pkg by double clicking and it will launch the installer, or by going to Applications -> Utilities -> Installer and selecting it.

How do you do serial port communication between two computers in Linux using c language?

You should use pppd to define a connection between the two computers, then normal TCP/IP networking (telnet, ftp, http, NFS, SMB etc) will work without any programming.

Is it better to keep as many support modules in the kernel as possible?

It depends. Obviously the more you have in the kernel the less you will have for resident memory. This may improve performance if these modules are in use, or it might just take up memory if they are not active.

With dynamic loadable modules the idea was to install the module in the resident kernel if it were required at run time rather than compiling them into the kernel. This way an admin can load and unload the modules at will, assuming they know when the modules will be in use.

What is the purpose of sharing a Linux printer using Samba?

If you mean what is the purpose of sharing a printer via Samba on Linux, the answer is the same as why you would share a printer between Windows machines. To make the printer accessible to other users on the network.

Which package provide the SSH service?

sshd is the package provide ssh sessions .

What does GNOME stand for?

GNU Network Object Model Environment

What is the difference between .RPM and .deb packages?

Check out the related links for information on the differences between .rpm and .deb packages.

SCP Secure Copy does transfer of file in binary mode?

Yes, the SCP Secure Copy is able to transfer the file in binary mode. This is because in the binary mode, it is computer understood.

Where does crontab reside in AIX?

/var/spool/cron/crontabs/ - cron files of users

/var/adm/cron/ - other cron settings

How do you upgrade Linux kernel?

1. Download the source code from kernel.org

2. Extract the source.

3. Issue the command "make menuconfig".

4. Make any configuration changes you need

5. Save

6. Issue the command "make"

7. Issue the command "make modules".

8. Issue the command "make install"

9. Edit your bootloader to point to the new kernel.

What is UPG scheme in Linux?

The UPG (User Private Group) scheme in Linux is a method for managing user and group permissions where each user is assigned a unique private group with the same name as their username. This allows users to have their own group for file ownership, ensuring better security and collaboration since files created by a user belong to their private group by default. It simplifies permission management and enhances user isolation on multi-user systems. This scheme is commonly used in modern Linux distributions to facilitate user management.

What command is used to print a file in Linux?

In Linux, the lp command is commonly used to print a file. For example, you can use lp filename.txt to send the file filename.txt to the default printer. Alternatively, the lpr command can also be used in a similar way, such as lpr filename.txt. Both commands allow for additional options to customize the printing process.