Grep: Grep (Global Regular Expression Print) is a command-line utility for searching plain-text data sets for lines matching a regular expression. … Grep was originally developed for the Unix operating…
LINUX
“rc” in .bashrc stand for: It stands for “run commands”. This comes from MIT’s CTSS (Compatible Time-Sharing System) and Multics, where the idea that a command processing shell would be…
PROBLEM: From vi, if you issue the command :sp, the screen splits into two “views”, allowing you to edit more than one file from the same terminal. Along those same…
PROBLEM: Sometimes you want to start a process and forget about it. If you start it from the command line, like this: [pastacode lang=”bash” manual=”redshift%0A” message=”BASH CODE” highlight=”” provider=”manual”/] [ad…
/usr/bin: The /usr/bin Directory. /usr/bin is a standard directory on Unix-like operating systems that contains most of the executable files (i.e., ready-to-run programs) that are not needed for booting (i.e.,…
Double dash: The double dash “–” means end of command line flags i.e. it tells the preceding command not to try to parse what comes after command line options. It…
Emacs: Emacs (pronounced EE-maks and sometimes spelled “emacs” or “EMACS”) Emacs is one of the most versatile text editors available for Linux and UNIX-based systems. Emacs provides typed commands and…
Purpose of the lost+found folder: This directory is for recovering files which are not properly closed due to many reason such as power failure. The lost+found folder contains the files…
CTRL+S essentially does XOFF, which means the terminal will accept key strokes but won’t show the output of anything. It will act as if your terminal is dead when it’s…
Generally we can Zip/compress the entire folder / Whole Linux or UNIX Directory Compressing a whole linux/UNIX directory is easy, certainly in terms of technical basis it is called as…