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sed Sed (streams editor) isn't really a true text editor or text processor. Instead, it is used to filter text, i.e., it takes text input and performs some operation (or set of operations) on it and outputs the modified text. Sed is typically used for extracting part of a file using pattern matching or substituting multiple occurrences of a string within a file. hot quietrun a tiny shell-script for running a command and hiding its output unless the exit code of the command wasn't zero. Comes in handy when writing crontab files, so that you only get e-mailed when something goes wrong rand rand is a small tool that outputs a stream or file in random order. rclean provides a command-line tool to order and clean content of rc.conf, using option order from /etc/defaults/rc.conf and printing only choices that were different by the default value in /etc/rc.conf ReCaP ReCaP is software that makes it possible to share a copy-buffer between two computers. ReCaP uses TCP/IP to communicate between clients. Host-computers must have pre-configured TCP/IP, and you must know the IP-numbers to both systems. Only text-content is shared. regutils a collection of programs that can assist in the installation of windows 9x software on diskless clients remote-boot tools to set up a very robust and secure server-based configuration for a cluster of PCs, allowing each client to choose at boot-time which operating system to run Remove Master Remove-master works like the normal "rm" command with the addition that cryptographically strong digests of deleted files are saved in a database. Using the digests in the database, remove-master can automatically delete copies of already deleted files. renameutils The file renaming utilities (renameutils for short) are a set of programs designed to make renaming of files faster and less cumbersome. The file renaming utilities consists of five programs - qmv, qcp, imv, icp and deurlname. repgrep repgrep is a multiple pattern grep (list) and replace application. Replace or list set of patterns searched from any text data in one command. Code is GPL -open source and fully portable. Execution speed is optimized for huge set of data and Grep/replace formatting options are numerous. ReplaceIt a quick, light and effective replacement to the combination of sed/awk/grep/head/tail and other such shell utilities rfstool allows you to access ReiserFS partitions from a Windows 95/98/ME/NT/2000/XP system RheaVFS RheaVFS allows you to turn an archive into a virtual directory, so all files in the archive can be accessed as if they were in the virtual directory. This works transparently for all programs without any need to modify them. Currently there's read/write support for zip, tar.bz2/gz and gpg encrypted files. rl rl is a command-line tool that reads lines from an input file or stdin, randomizes the lines and outputs a specified number of lines. rlocate rlocate is an implementation of the "locate" command that is always up-to-date. rm-old-files rm-old-files saves, renames, compresses, removes files (via find) based on control info specified in a configuration file. rmdirr rmdirr moves recursively through the specified directories, removing any that are empty, and removing their parents if they are made empty. rname rname is a simple utility that invokes a specified program, passing a different name instead of the name of the program executable. salias salias is a wrapper for programs that allows arguments to those programs to be aliased. For example, salias could expand "gpg -r friends --encrypt" to "gpg -r bob -r frank --encrypt". Scramble command tool Scramble is the command find tool used by the Xfce desktop environment. The Xffm filemanager thus uses this program to encrypt and decrypt files upon user request. The application is also used to shred files before deleting. sdparm The sdparm utility outputs and in some cases modifies SCSI device parameters. When the SCSI device is a disk, sdparm's role is similar to its namesake: the Linux hdparm utility which is for ATA disks that usually have device names starting with "hd". sg3_utils sg3_utils is a package of utilities for accessing devices that use SCSI command sets. Most utilities issue a single command and display the response, while some work at a slightly higher level. There are utilities for fetching INQUIRY data and VPD, mode, and log pages. There is support for modern SCSI transports such as SAS and FCP. The package is written for Linux and has been ported to FreeBSD, Tru64, and Windows, and an earlier version for Linux 2.2 series kernels called sg_utils is also available. Sierra Sierra is for splitting and merging files in a way compatible with hacha. SigEd SigEd is a shell script written in Z-Shell (zsh) which wraps around your normal unix editor (vi/pico/etc). Signice Sig is a utlity for selecting processes according to a wide set of criteria and then either signaling or renicing them. Processes can be named or selected for their resource usage, run-time, and ownership by a group of users or a login group. Sig has its own logging facility and is typically deployed as a cron job. sipsak sipsak is a small comand line tool for developers and administrators of Session Initiation Protocol (SIP) applications. It can be used for some simple tests on SIP applications and devices. Skill Skill is a program which sends signals to, or reprioritizes (snice), a set of processes given any combination of user names, ttys, commands, and pid's. It has been tested on pretty much every known Unix system smartmontools smartmontools contains utilities that control and monitor storage devices using the Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) system built into ATA and SCSI hard drives. snarf snarf is a command line resource grabber. It can transfer files through the http, gopher, finger, and ftp protocols without user interaction. It is small and fast. sock sock is simple interface between shell (or the command line) and network sockets. logged-in users. spill spill is a program for creating set of symbolic links from one directory hierarchy which point to corresponding filenames in a separate directory hierarchy. It's primary use is to allow packages built from source to be installed in separate directory trees, which are all linked together under a common directory tree (e.g. /usr/local) to reduce the length of the PATH environment variable. spoon spoon allows easy parallel execution of command batches on SMP machines. sr sr is a small, fast search and replace utility that requires no knowledge of regular expressions. It can search or replace character codes, words, or entire phrases. It has an interactive interface, and can work on multiple files at a time. su1 su1 allows specified users to run certain commands as root. super-sed super-sed is a version of sed that supports a few new features, including Perl regular expressions and much greater speed than GNU sed. SUT Scalable UNIX Tools for Clusters: a collection of standard UNIX utilities like ls, rm, cp, etc. that are targeted at cluster use swpartc swpartc is a simple but reliable utility for copying the data contents of one file or partition into another one and vice versa without losing a bit. TDHkit TDHkit is a set of programs and filters useful in working with ordinary tabular ascii data from the command line or in shell scripts. Terminal Mixer Terminal Mixer allows sharing the stdin/out/err of a process through a Unix socket, TCP, or raw ethernet (the latter only on Linux). It allows sharing a pseudo-terminal as well, for terminal-aware applications. textutils textutils resembles the GNU text file (actually, file contents) processing utilities. Most of these programs have significant advantages over their Unix counterparts, such as greater speed, additional options, and fewer arbitrary limits. tmv tmv renames files/directories according to sed script(s) and other transformations. ttm ttm is a very small and simple Perl program which acts as a command-line operated task manager. ttyrec ttyrec is a tty recorder. Recorded data can be played back with the included ttyplay command. turbotail Turbotail is a drop-in replacement for the original (GNU) tail program which uses the (SGI) FAM daemon instead of polling every second like the original tail does. This is much faster and more efficient. twinpipe Use twinpipe to start two processes from the unix shell, so that the processes talk to each other via stdout and stdin.
