GREP SEARCH STRING USING BACKTICK

$ 4.2.36 7 507---> grep `whoami` algorithm.c
     to jeffrin@rocketmail.com
$ 4.2.36 8 508--->

$ 4.2.36 8 508---> whoami
jeffrin
$ 4.2.36 9 509--->


$ 4.2.36 3 503---> grep ls ls2.wav
Binary file ls2.wav matches
$ 4.2.36 4 504---> grep `ls` ls2.wav
grep: 12: Is a directory
grep: 2008: Is a directory
grep: 2010: Is a directory
grep: 313143-The: No such file or directory
grep: Linux: No such file or directory
grep: Frame: No such file or directory
grep: Buffer: No such file or directory
grep: Device: No such file or directory
grep: Subsystem.pdf: No such file or directory
grep: Academy: No such file or directory
grep: Awards: No such file or directory
grep: 2012: No such file or directory
grep: Road: No such file or directory
grep: to: No such file or directory
grep: the: No such file or directory
grep: Oscars: No such file or directory
grep: IMDb_files: No such file or directory
grep: Academy: No such file or directory
grep: Awards: No such file or directory
grep: 2012: No such file or directory
grep: Road: No such file or directory
grep: to: No such file or directory
grep: the: No such file or directory
grep: Oscars: No such file or directory
grep: --: No such file or directory
grep: IMDb.html: No such file or directory
grep: ai: Is a directory
grep: american.saintb: Is a directory
grep: Aptana: No such file or directory
grep: Studio: No such file or directory
grep: 3: No such file or directory
grep: Workspace: No such file or directory
grep: arduino: Is a directory
grep: Artificial: No such file or directory
grep: Intelligence: No such file or directory
^C
$ 4.2.36 5 505--->

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