shows all processes that have exited together with their cpu-time, memory usage
ack is a greplike tool optimized for programmers searching large heterogeneous trees of source code.
Automatic File Distributor: a program to automatically distributes files either locally or to remote hosts
AFK is a small utility for defeating idled, for reasons only known to the user.
AFS Tool Suite
a suite of scripts (mostly Python) for use in an AFS (Andrew File System) cell and a Python library of AFS-related classes and utility functions
Alv provides Oracle archive log verification.
Ambit uses Bash brace expansion to expand and list hostnames or commands.
mount things automatically for one command line
Apparix allows fast file system navigation by bookmarking directories and jumping to a bookmark directly. It integrates regular bookmarks with CDPATH-style bookmarks.
Argbash is a code generator. It lets you to describe arguments your script should take and then, you can generate BASH code that you can include in your script (and from then on, forget about argbash altogether).
AsmFind is an interactive replacement for searching disks for text or files. The text search uses simple tokens without wildcards. The Boyer-Moore technique is used to speed up the search. AsmFind uses a smart view program and can work with AsmView.
a set of commandline utilities
asmutils is a set of different utilities for Linux/i386 written in assembly language featuring smallest possible size.
Autojump is a tool that acts as a complement to cd: it makes navigating your filesystem a lot faster.
automagically recognises all available CDROMs in your system, mounts them upon insertion of a media and executes a possible autorun executable on the CD
aware is a custom scriptable notification window that doesn't grab focus and plays nicely with tiling WMs.
bashcritic is a tool to check bash scripts for common pitfalls.
bashmount is a tool to mount and unmount removable media.
an automatic file rename tool. The main goal is to provide a simple way to batch renaming collections of files, such as photo collections. It accepts prefixing/suffixing, start index value and counter padding formats
Betty is a friendly English-like interface for your command line. Don't remember a command? Ask Betty.
Bibcursed is a simple curses-based editor for BibTeX bibliography files, especially useful for those who have to maintain a large number of references for a major piece of documentation, like a PhD thesis.
BIEW is a multiplatform portable viewer of binary files with built-in editor in binary, hexadecimal and disassembler modes. Highlight Pentium III/K6-2 3dNow! disassembler, russian codepages convertor, full preview of formats - MZ, NE, PE, LE, LX, NLM, partial - a.out, elf, coff32, PharLap.
Bitcollider is a small program you can run on your own computer to reliably identify and describe files on your machine.
bm is a simple bash CLI bookmarks persisted by your ~/Dropbox.
sorts files or its standard input using the bogo-sort algorithm
bosh stores the output of a specified program in a buffer, and provided a simple curses interface to browse this buffer. Actions can be configured which use the current line of the buffer as an option.
bro pages are a highly readable supplement to man pages. bro pages show concise, common-case examples for Unix commands
BSD Utils for Linux/UN*X
an attempt to make BSD utils (commands like ls, cd, etc.) build nicely on Linux machines