| Software | Usage | Function |
|---|---|---|
| chmod | chmod [OPTION]... MODE[,MODE]... FILE... | change file mode bits |
| script | script [options] [file] | Record everything you do in a terminal or SSH session |
| pwdx | pwdx [options] pid [...] | Report current working directory of a process |
| fold | fold [OPTION]... [FILE]... | Wrap each input line to fit in specified width |