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tail -F /var/adm/messages To interrupt tail while it is monitoring, break-in with Ctrl+C. This command can be run "in the background" with &, see job control. If the user has a command's result to monitor, the watch command can be used. There is a GNU Emacs mode that emulates the functionality of tail -f, called auto-revert-tail-mode.
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.
Many early versions of Unix and Plan 9 did not have this command, and documentation and books used sed instead: sed 5q filename. The example prints every line (implicit) and quits after the fifth. Equivalently, awk may be used to print the first five lines in a file: awk 'NR < 6' filename
Free and open-source software portal; GNU Binutils; List of GNU Core Utilities commands; List of Unix commands; Toybox, a 0BSD licensed, all-in-one Linux command-line utility used in Android. util-linux, a set of approximately 100 basic Linux system utilities not included in GNU Core Utilities, such as mount, fdisk, more, and kill.
util-linux is a standard package distributed by the Linux Kernel Organization for use as part of the Linux operating system.A fork, util-linux-ng (with ng meaning "next generation"), was created when development stalled, [4] but as of January 2011 has been renamed back to util-linux, and is the official version of the package.
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The most notable example is the cd command, which changes the working directory of the shell. Since each executable program runs in a separate process , and working directories are specific to each process, loading cd as an external program would not affect the working directory of the shell that loaded it.
(It may be possible to specify boot parameters which control the level of detail in the messages.) The booting process typically happens at a speed where individual messages scroll off the top of the screen before an operator can read/digest them. The dmesg command allows the review of such messages in a controlled manner after the system has ...