Linux OS (NCO)

This Linux command is used to make a link to a file.

This type of grouping of data in Linux consist of files which contain the list of other files.

This is a popular tool for installing, uninstalling, verifying, querying, and updating computer software packages on Unix like systems.

This alias in bash shell environment is used to list all listening TCP/UDP ports with the Process ID of the associated process.

This system variable in shell environment is the search path for commands and it serves as a colon separated list of directories wherein the shell looks for commands.

This output field of ps command is used to specify terminal associated with the process.

This argument of ps command is used to display user name and process start time.

These files of /var directory are used to hold variable data for programs present in /usr/local directory.

This home directory in Linux file system is used for optional software packages.

This command is used in vi editor to write to the file and then quit.

This object in Linux is a collection of computer files that have been packaged together for backup.

This file in XDM (X Display Manager) is used for user authorisation file where XDM stores keys for clients to read.

This object defines main directories and their contents in Linux operating system.

This desktop serves as a default desktop environment for Red Hat Enterprise Linux that is based on the GTK + 2 graphical toolkit.

This option in sed command which is a stream editor, is used to read the different sed commands from command line.