5 added full form
source | link

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

The name grep comes from the ed (a Unix line editor) command g/re/p which means “globally search for a regular expression and print all lines containing it”.

External references

Tutorials

Further reading

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

External references

Tutorials

Further reading

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

The name grep comes from the ed (a Unix line editor) command g/re/p which means “globally search for a regular expression and print all lines containing it”.

External references

Tutorials

Further reading

4 added 153 characters in body
source | link

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

External references

Tutorials

Further reading

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

External references

Further reading

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

External references

Tutorials

Further reading

3 replaced wikipedia copy-paste by useful information
source | link

According toThe Wikipediagrep:

grep is a command line text search utility originally written for Unix. The name is taken from the first letters in globalsearches a pattern / regular(regular expression / print, a series of instructions) in a text editors such as ed.1 A backronym of the unusual name also exists in the form of Generalized Regular Expression Parserfile. The grep command searches files or standard input globally for lines matching a given regular expression,There are many options to control how matches are performed and prints themhow to the program's standard outputdisplay matches.

History

External references

Grep was created by Ken Thompson as a standalone application adapted from the regular expression parser he had written for the ed editor (which he also created). The name grep comes from the ed editor command it simulated, g/re/p (global regular expression print). Its official date of creation is given as March 3, 1973 in the Manual for Unix Version 4.

Further reading

According to Wikipedia:

grep is a command line text search utility originally written for Unix. The name is taken from the first letters in global / regular expression / print, a series of instructions in text editors such as ed.1 A backronym of the unusual name also exists in the form of Generalized Regular Expression Parser. The grep command searches files or standard input globally for lines matching a given regular expression, and prints them to the program's standard output.

History

Grep was created by Ken Thompson as a standalone application adapted from the regular expression parser he had written for the ed editor (which he also created). The name grep comes from the ed editor command it simulated, g/re/p (global regular expression print). Its official date of creation is given as March 3, 1973 in the Manual for Unix Version 4.

The grep utility searches a pattern (regular expression) in a text file. There are many options to control how matches are performed and how to display matches.

External references

Further reading

2 added 918 characters in body
source | link
1
| link