Text-manipulation

  • sed
  • awk
  • grep
  • cat
  • paste
  • sort
  • split
  • nl
  • wc
  • cut
  • tr
  • uniq

File management

  • ls
  • cp
  • mv
  • file
  • rm
  • mkdir
  • rmdir

Locating files

  • locate
  • find

File Compressing and Decompressing

  • Compress: gzip
  • Decompress: gunzip
  • See compressed file: zcat
  • Compress: bzip2
  • Decompress: bunzip2
  • See compressed file: bzcat
  • Compress: xz
  • Decompress: unxz
  • See compressed file: xzcat
  • Compress: zip
  • Decompress: unzip

Archiving Files

  • cpio
  • dd
  • tar

Process

  • ps
  • top
  • htop
  • atop
  • glances
  • pidof
  • kill
  • pkill
  • pgrep
  • lsof

Memory

  • vmstat

I/O

  • iotop
  • iostat

Disk

  • df
  • du
  • dd

Network

  • tcpdump
  • wireshark
  • netstat
  • ss
  • iptraf
  • iftop

Other