vivek HowTo - Linux / Unix Q & A from nixCraft

Grep Count Lines If a String / Word Matches on Linux or Unix System

in BASH Shell, Linux, UNIX last updated May 3, 2017

How do I count lines if given word or string matches for each input file under Linux or UNIX-like operating systems?

UNIX / Linux Find File Owner Name

in BASH Shell, CentOS, Debian / Ubuntu, File system, FreeBSD, HP-UX Unix, Linux, OpenBSD, Solaris-Unix, Suse, Ubuntu Linux, UNIX last updated May 15, 2008

Q. How do I find out the name of file / directory owner under UNIX / Linux operating systems?
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UNIX vdir Only Directories

in UNIX last updated February 20, 2010

How do I vdir only directories under UNIX / Linux operating systems?

Bash Grep Subdirectories (Recursively)

in BASH Shell last updated February 17, 2010

How do I recursively grep through all sub-directories and find files containing given text / string or words?

Understanding /etc/group File

in CentOS, Debian / Ubuntu, Linux, Linux / UNIX File Formats, OpenBSD, Solaris-Unix, Suse, Ubuntu Linux, UNIX last updated August 2, 2017

Can you explain me the format of /etc/group user group file under Linux / UNIX-like operating systems?