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In computing, a command is a directive to a computer program to perform a specific task. It may be issued via a command-line interface or as input to a network service as part of a network protocol , or as an event triggered in a graphical user interface .
- Command-line interface
A command-line interface ( CLI) is a means of interacting...
- Category:Computing commands
The following 8 pages are in this category, out of 8 total....
- Command
Military. Music. Sports. Other uses. See also. Command. Look...
- Command-line interface
In computing, a shell is a computer program that exposes an operating system 's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation.
In simple words - a shell is a program that accepts the input from users and excutes program on their behalf by creating a new process, and whatever the response from that particular program - which could be input, output or error - it shows back it the the user.
TRIM is an ATA command (Advanced Technology Attachment Command) that allows an OS to inform SSD about the blocks of data no longer in use. The SSD then deletes such blocks of data to make a way for newer blocks of data. TRIM is basically used for enhancing the performance and life span of the SSD.
