With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...

The everlastingly useful grep command can change its character with the flip of a switch to help you find things. The grep command – likely one of the first ten commands that every Unix user comes to ...

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Created in the early days of Unix, it has become a cornerstone of text processing in Linux ...

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...