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The Unix command clear takes no arguments and is roughly analogous to the command cls on a number of other operating systems. In ISO 9995-7 specifies that the following symbol be used to indicate this function on a keyboard, which is included in Unicode as: ⎚ CLEAR SCREEN SYMBOL. [2] One may use the reset command to erase every previous command.
Run command with specified security context seq: Prints a sequence of numbers sleep: Delays for a specified amount of time stat: Returns data about an inode: stdbuf: Controls buffering for commands that use stdio stty: Changes and prints terminal line settings tee: Sends output to multiple files test: Evaluates an expression timeout: Run a ...
The term user space (or userland) refers to all code that runs outside the operating system's kernel. [2] User space usually refers to the various programs and libraries that the operating system uses to interact with the kernel: software that performs input/output, manipulates file system objects, application software, etc.
The command is available in MS-DOS versions 2 (1983) and later. [5] While the ultimate origins of using the three-character string CLS as the command to clear the screen likely predate Microsoft's use, this command was present before its MS-DOS usage, in the embedded ROM BASIC dialects Microsoft wrote for early 8-bit microcomputers (such as TRS-80 Color BASIC), where it served the same purpose.
Erases part of the line. If n is 0 (or missing), clear from cursor to the end of the line. If n is 1, clear from cursor to beginning of the line. If n is 2, clear entire line. Cursor position does not change. CSI n S SU: Scroll Up Scroll whole page up by n (default 1) lines. New lines are added at the bottom. (not ANSI.SYS) CSI n T SD
To completely clear the cache in Internet Explorer 9 and later versions: Click "Tools" (the Gear-shaped button on the top-right section of the browser), point to "Safety" and click "Delete Browsing History…"
2. Sign in with your username and password. 3. In the top menu bar, click the Settings icon . 4. In the left menu, click Browser. 5. Click the Security tab. 6. Click Clear Footprints Now. 7. Select the data you'd like to clear and click Clear Footprints Now. Empty the cache each time you quit Desktop Gold - Select the Browser Cache checkbox.
IF is a conditional statement, that allows branching of the program execution. It evaluates the specified condition, and only if it is true, then it executes the remainder of the command line. Otherwise, it skips the remainder of the line and continues with next command line. Used in Batch files.