Guide to Unix/Commands

< Guide to Unix

The Unix command line is often considered difficult to learn. This book aims to help beginners by introducing various commands in lucid and simple language. Unlike most command references, this book is designed to be a self-study guide.

Contents

Section Contents
Summary
Getting Help

man info apropos whatis makewhatis

File System Utilities

ls mkdir cd pwd chroot cp mv rm touch df link ln unlink chown chmod mount

Finding Files

find whereis which locate

File Viewing

cat more less od head tail

File Editing

pico nano zile vi joe emacs

Text Processing

awk ∙ comm ∙ csplit ∙ cut ∙ expand ∙ fmt ∙ fold ∙ iconv ∙ join ∙ nl ∙ paste ∙ pr ∙ sed ∙ sort ∙ spell ∙ tr ∙ unexpand ∙ uniq

File Compression

gzip gunzip zcat gzcat tar pax bzip2 zip compress

File Analysing

file wc cksum stat

Multiuser Commands

who finger su

Self Information

whoami groups id tty

System Information

uptime uname dmesg free vmstat top df hostname

Networking

ifconfig ifdown ifup

Process Management

nohup ps kill pgrep pidof killall

Devices

fuser lsof fstat

Kernel Commands

lsmod modprobe sysctl

Miscellaneous

sync echo cal date time from mail clear PS1

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