UNIX OS (NCO)

This file system in UNIX is also known as Berkeley Fast File System and SVR4 file system.

This phase in file checking system (Fsck) looks for unreferred directories and stores their files in lost plus found for later examination.

This option is used with mkfs file system to check the device for bad blocks before building the file system.

This option, used with grep command, is used to print out the line number before printing the matching line.

This command in UNIX is used to take any character from standard input and then echoes them to standard output.

This command in UNIX is used for viewing open files of processes.

This command in UNIX is used to display the full absolute path to the current location in the filesytem.

This command is used in UNIX for direct and indirect links from one file or directory to another file or directory.

This inter-process communication system consists of a pipe whose access point is a file kept on the file system.

This directory in UNIX is the directory immediately above the current directory and that can be referred by the character (two fullstops).

This command in UNIX is used to search the named files or patterns in the current working directory.

This command in UNIX is used to determine your local node name as well as the names of all uucp systems that are immediately known to your system.

This is a utility command which is useful for checking round trip response time between machines.

This command in UNIX is a simple but useful filter designed to replace one or more characters in your files with one or more other characters.

This printer control command in UNIX is used to check the status of the specified print queue.