expand is a program that converts tab characters into groups of space characters, while maintaining correct alignment. It is available in Unix operating...

Unix (/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T...

1970, the Unix epoch. For example, at midnight on January 1 2010, Unix time was 1262304000. Unix time originated as the system time of Unix operating...

applications List of Unix daemons List of web browsers for Unix and Unix-like operating systems Unix philosophy util-linux The Wikibook Guide to UNIX has a page...

The Unix wars were struggles between vendors to set a standard for the Unix operating system in the late 1980s and early 1990s. Both AT&T Corporation...

Each version of the UNIX Time-Sharing System evolved from the version before, with version one evolving from the prototypal Unix. Not all variants and...

files, known as shell scripts, facilitating automation. In keeping with Unix shell conventions, Bash incorporates a rich set of features. The keywords...

The Unix command su, which stands for 'substitute user' (or historically 'superuser'), is used by a computer user to execute commands with the privileges...

UUCP (Unix-to-Unix Copy) is a suite of computer programs and protocols allowing remote execution of commands and transfer of files, email and netnews between...

rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic...

Labs' Unix. The command interpreters of the early versions of Unix (1st through 6th Editions, 1969–1975) relied on a separate program to expand wildcard...

HP-UX (from "Hewlett Packard Unix") is a proprietary implementation of the Unix operating system developed by Hewlett Packard Enterprise; current versions...

sequences of eight spaces into single tabs (printed as '\t'). List of Unix commands Expand (Unix) "unexpand - Compress spaces into tabs". www.ibm.com. Retrieved...

words is a standard file on Unix and Unix-like operating systems, and is simply a newline-delimited list of dictionary words. It is used, for instance...

The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, Bell Labs, and General Electric were jointly developing...

longer offered the service.[citation needed] It is implemented on Unix (like macOS), Unix-like systems (like Linux and FreeBSD), and current versions of...

Fish (or friendly interactive shell- stylized in lowercase) is a Unix-like shell with a focus on interactivity and usability. Fish is designed to be feature-rich...

BSD UNIX." The book has been translated into several languages, including Chinese, Italian, German, Japanese and others. Later editions have expanded into...

Free and open-source software portal unixODBC is an open-source project that implements the Open Database Connectivity (ODBC) API. The code is provided...

mv is a Unix command that moves one or more files or directories from one place to another. If both filenames are on the same filesystem, this results...

assembler instruction of the same name) is the name for a collection of Unix kernel routines or macros used to change the interrupt priority level. This...

xargs (short for "extended arguments") is a command on Unix and most Unix-like operating systems used to build and execute commands from standard input...

ptx is a Unix utility, named after the permuted index algorithm which it uses to produce a search or concordance report in the Keyword in Context (KWIC)...

programmable. Unix filters can also be used by Data scientists to get a quick overview about a file based dataset. awk cat comm compress cut expand fold grep...

via the operating system shell. Make is widely used, especially in Unix and Unix-like operating systems, even though many competing technologies and...

Fortress (SDF, also known as freeshell.org) is a non-profit public access UNIX shell provider on the Internet. It has been in continual operation since...

nm is a Unix command used to dump the symbol table and their attributes from a binary executable file (including libraries, compiled object modules, shared-object...

The Art of Unix Programming by Eric S. Raymond is a book about the history and culture of Unix programming from its earliest days in 1969 to 2003 when...

In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname...

In Unix and Unix-like operating systems, job control refers to control of jobs by a shell, especially interactively, where a "job" is a shell's representation...