Boost Your Workflow: Essential Command-Line Tools Every Developer Needs
This article curates a collection of powerful command-line utilities—including ag, tig, mycli, jq, shellcheck, fzf, PathPicker, htop, glances, axel, sz/rz, cloc, tmux, script, and multitail—explaining their core features and how they can replace or enhance traditional tools for developers and system operators.
Essential Command-Line Tools
ag : A faster recursive search tool that outperforms grep and ack.
tig : An interactive Git repository viewer that can replace many Git commands.
mycli : A MySQL client with syntax highlighting and auto‑completion, offering an IPython‑like experience and serving as a drop‑in replacement for the standard mysql command.
jq : A JSON processor and pretty‑printer with syntax highlighting, usable as an alternative to python -m json.tool.
shellcheck : A static analysis tool for shell scripts that detects syntax errors and non‑standard coding patterns.
fzf : A fuzzy finder for the command line that provides interactive, intelligent searching of files or content, perfect for enhancing Ctrl‑R history searches.
PathPicker (fpp) : Automatically identifies directories and files in command‑line output, offering an interactive selection useful when working with Git. git diff HEAD~8 --stat | fpp htop : A more attractive and convenient process monitor that replaces the traditional top command.
glances : A powerful htop/top alternative that offers richer system information and a web UI for remote monitoring.
axel : A multi‑threaded downloader that can substitute curl or wget for faster file transfers.
axel -n 20 http://centos.ustc.edu.cn/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1511.isosz/rz : Interactive file transfer tools that simplify moving files through multiple jump hosts without manual step‑by‑step copying.
cloc : A code‑line counter that reports blank lines, comment lines, and language breakdowns.
tmux : A terminal multiplexer that replaces screen and nohup, enabling persistent sessions.
script / scriptreplay : Utilities for recording terminal sessions and replaying them later.
# Record
tscript -t 2>time.txt session.typescript
# ...run commands...
# Stop recording
exit
# Replay
scriptreplay -t time.txt session.typescriptmultitail : Allows simultaneous monitoring of multiple log files within a single terminal window, avoiding the need for multiple tabs.
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