Grep command, grep command-

Grep command, grep command-

Grep -- search for strings matching rows in the file and Output

Command path:/bin/grep

 

Example 1:

# Grep Default/etc/inittab

Display the rows containing the Default string in the inittab file under the/etc/directory

Example 2: case insensitive

# Grep-I default/etc/inittab

-I indicates case insensitive

Example 3: exclude execution strings

# Grep-v ^ #/etc/inittab

-V is followed by a character, indicating that the character or string is excluded, and "^" indicates that it starts with a character. When you run the preceding command, all rows except the beginning of # are displayed.