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What Is Bash

  Bash , short for   Bourne-Again SHell , is a   shell   program   and   command language   supported by the   Free Software Foundation [ 2 ]   and first developed for the   GNU Project [ 3 ]   by   Brian Fox . [ 4 ]   Designed as a 100% [ 5 ]   free software   alternative for the   Bourne shell , [ 6 ] [ 7 ] [ 8 ]   it was initially released in 1989. [ 9 ]   Its moniker is a play on words, referencing both its predecessor, the Bourne shell, [ 10 ]   and the concept of   rebirth . [ 11 ] [ 12 ] Since its inception, Bash has gained widespread adoption and is commonly used as the default  login  shell for numerous  Linux  distributions. It holds historical significance as one of the earliest programs ported to Linux by  Linus Torvalds , alongside the GNU Compiler ( GCC ). [ 13 ]  It is available on nearly all modern operating systems, making it a versatile tool...

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