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Uniq (band) Members
uniq is a utility command (computing), command on Unix, Plan 9 from Bell Labs, Plan 9, Inferno (operating system), Inferno, and Unix-like operating systems which, when fed a text file or Standard streams#Standard input (stdin), standard input, outputs the text with adjacent identical lines collapsed to one, unique line of text. Overview The command is a kind of filter program. Typically it is used after Sort (Unix), sort. It can also output only the duplicate lines (with the -d option), or add the number of occurrences of each line (with the -c option). For example, the following command lists the unique lines in a file, sorted by the number of times each occurs: $ sort file , uniq -c , sort -n Using uniq like this is common when building pipeline (software), pipelines in shell scripts. History First appearing in Version 3 Unix, uniq is now available for a number of different Unix and Unix-like operating systems. It is part of the X/Open Portability Guide since issue 2 of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ken Thompson
Kenneth Lane Thompson (born February 4, 1943) is an American pioneer of computer science. Thompson worked at Bell Labs for most of his career where he designed and implemented the original Unix operating system. He also invented the B programming language, the direct predecessor to the C programming language, and was one of the creators and early developers of the Plan 9 operating system. Since 2006, Thompson has worked at Google, where he co-developed the Go programming language. Other notable contributions included his work on regular expressions and early computer text editors QED and ed, the definition of the UTF-8 encoding, and his work on computer chess that included the creation of endgame tablebases and the chess machine Belle. He won the Turing Award in 1983 with his long-term colleague Dennis Ritchie. Early life and education Thompson was born in New Orleans, Louisiana. When asked how he learned to program, Thompson stated, "I was always fascinated with logic an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
