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CIT172 OS Command Ln

CIT172 OS Chapter 7 - The Command Line

QuestionAnswer
batch program A program that executes without interacting with the user.
chmod command A command in Fedora Core 4 that changes file permissions.
CompareOp A three-letter comparison operator used by the IF command in Windows XP.
cut command A command in Fedora Core 4 that extracts fields from a line in a file or extracts an entire record from a file.
ECHO command A command that displays text to the standard output device.
environment variables Named storage locations you can use to determine the behavior of the command processor and the operating system. Two types are available: system and local environment variables. You need administrative privileges
FOR command A command that executes a section of code a specified number of times in Windows XP. Command syntax can vary depending on the task the loop needs to perform.
for in command The Fedora Core 4 version of the for command. You can use the command without the in and vary the syntax depending on the task the loop needs to perform.
GOTO command A command you use in Windows XP programs to transfer execution to some other statement; the high-level equivalent of a branch or jump instruction.
grep (global regular expression print) command A command in Fedora Core 4 that searches a file or files by keyword.
head command A command in Fedora Core 4 that prints the first 10 lines (by default) from a file to standard output.
IF command A Windows XP command that executes a block of statements if a decision expression evaluates as true; when an ELSE clause is included, its statements execute if the decision evaluates as false.
if else fi construct A command in Fedora Core 4 that works like the IF command in Windows XP when the ELSE clause is included.
if fi construct A command in Fedora Core 4 that works like the IF command in Windows XP.
less command A command that allows backward movement when you view file contents.
man pages The Help file documents in Fedora Core 4.
parameters In programming, a value given to a variable, either at the beginning of an operation or before a program evaluates an expression. The parameter can be a string, a number, or another parameter name.
PAUSE command A Windows XP command that temporarily stops the operation of a program or command.
REM command A Windows XP command to add comments (remarks) to a program or batch file.
script A program that consists of a set of instructions to control some function of an application or utility program; these instructions typically use the rules and syntax of the application or utility.
SET command A Windows XP command that displays, creates, or removes environment variables.
SHIFT command A Windows XP command that changes the position of batch parameters in a batch file.
synopsis A term used in the Fedora Core 4 man pages to describe the syntax of commands.
tail command A command in Fedora Core 4 that typically prints the last 10 lines or bytes of a file. For large files, this command can provide faster access to data within the file.
taskbar A graphic toolbar used in Windows operating systems to select active applications.
TYPE command A Windows XP command that displays the contents of a text file on the standard output device.
UNC (Universal Naming Convention) format A system of naming files on a network so that they have the same pathname when accessed from any of the networked computers.
while command A command that enables you to execute a group of statements a specified number of times.
Created by: Leisac
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