Shell Utilities
GNU Awk
- Pattern scanning and processing language. Faster than awk.
Bzip2/Bunzip2, Gzip/Gunzip, Zip/Unzip
- Various compression/decompression tools (Block sorting, GNU, and PK-ZIP compatible).
Less - the opposite of more
- A replacement pager, less allows for scrolling backwards, full regular expression searches, customizable key commands, and more.