Cheat sheets
One topic per page, laid out to print on a sheet or two. Command sheets are built from the examples on the command pages, so every line has been run.
- Files and directories cheat sheetThe most useful files and directories commands on one printable page, every line checked by running it.
- Viewing files cheat sheetThe most useful viewing files commands on one printable page, every line checked by running it.
- Text processing cheat sheetThe most useful text processing commands on one printable page, every line checked by running it.
- Finding things cheat sheetThe most useful finding things commands on one printable page, every line checked by running it.
- Archives and compression cheat sheetThe most useful archives and compression commands on one printable page, every line checked by running it.
- Processes and jobs cheat sheetThe most useful processes and jobs commands on one printable page, every line checked by running it.
- System and users cheat sheetThe most useful system and users commands on one printable page, every line checked by running it.
- Disks and filesystems cheat sheetThe most useful disks and filesystems commands on one printable page, every line checked by running it.
- Networking and remote cheat sheetThe most useful networking and remote commands on one printable page, every line checked by running it.
- Shell builtins cheat sheetThe most useful shell builtins commands on one printable page, every line checked by running it.
- Parameter expansion cheat sheetEvery ${...} form in bash on one printable page, defaults, lengths, substrings, trimming, replacement, case and indirection, with real output.
- Redirection cheat sheetEvery bash redirection operator on one page, from > and 2>&1 to here-strings, exec and process substitution.
- Special variables cheat sheetThe shell's special parameters ($?, $@, $$, $!, ...) and bash's built-in variables (PIPESTATUS, BASH_SOURCE, LINENO, RANDOM, ...) with real output.
- Test operators cheat sheetEvery file, string, number and variable test for bash's [ ] and [[ ]], plus pattern and regex matching, with real output.