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tail has two special command line option -f and -F (follow) that allows a file to be monitored. Instead of just displaying the last few lines and exiting, tail displays the lines and then monitors the file. As new lines are added to the file by another process, tail updates the display. This is particularly useful for monitoring log files.
The Xterm terminal emulator. In the early 1980s, large amounts of software directly used these sequences to update screen displays. This included everything on VMS (which assumed DEC terminals), most software designed to be portable on CP/M home computers, and even lots of Unix software as it was easier to use than the termcap libraries, such as the shell script examples below in this article.
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
The boot screens for all editions of Windows XP have been unified by Service Pack 2 for Windows XP with a new one that no longer displays the SKU, with the boot screen for Home Edition using a blue progress bar instead of green. The copyright years on the boot screen were also removed.
Services for UNIX - Interoperability: A blog on Services for UNIX and UNIX Interoperability components in Windows by Ashish (official blog, MSDN) INTERIX: UNIX Application Portability to Windows NT via an Alternative Environment Subsystem PDF historical; HOW TO: Install Interix (KB 324081 for Windows NT4/5 up to XP) Description from the Tcl-Wiki
less is a terminal pager program on Unix, Windows, and Unix-like systems used to view (but not change) the contents of a text file one screen at a time. It is similar to more, but has the extended capability of allowing both forward and backward navigation through the file.
history [-hTr] [n] history -S|-L|-M [filename] (+) history -c (+) The first form prints the history event list. If n is given only the n most recent events are printed or saved. With -h, the history list is printed without leading numbers. If -T is specified, timestamps are printed also in comment form. (This can be used to produce files ...
a - number all lines; t - number lines with printable text only; n - no line numbering; string - number only those lines containing the regular expression defined in the string supplied. The default applied switch is t. nl also supports some command line options.