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

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

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

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 ...