Grep Command Options

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Grep Command Options


-i - Searches for both upper & lower case characters

-l - Lists the names of files with matching lines

-n - Proceeds each line with the relative line number in the file

-v - Inverts the search to display lines that do not match the pattern

-w - Searches for the expression as a complete word

mkdir rmdir cp echo commands

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# mkdir –p /data/dir   Creates directory and sub directory in one shot
# rmdir –r /data         Deletes the directory and all its subdirectory and files
# cp –r /data /data1   It copies the directory
# echo $MANPATH
: /usr/local/samba/man:
# echo $PATH        Shows environmental path
/usr/sbin:/usr/bin

Uname commands

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# uname –a  Gives all details about the system
# uname –m  Displays H/W platform (sun4u)
# uname –p  Machine processor architecture (sparc or i386)
# uname –i  Machine model architecture (SUNW, Ultra 5_10)
# uname –X  Detailed description