1.cat instruction
Function: View the contents of the file, is read-only manner open.
Syntax: cat [] file to view
Options:
-n: display the line number
End add | more: Paging
Details:
cat can only browse files, but can not modify files, browse for convenience, usually take command pipeline | more
2.more instruction
Function: more instruction-based VI editor is a text filter that displays the contents of a text file by page in full-screen mode.
more instructions built several shortcuts, see instructions:
| operating | Features |
| space bar | On behalf of a downward turn |
| Enter | On behalf of his party turned down |
| q | Representatives immediately leave more, no longer displays the contents of the file |
| Ctrl+F | Scroll down a screen |
| Ctrl+B | Back up one screen |
| = | Output current line number |
| f | Display the current file name and line number |