`less` command

Page through long files and command output.

On this page

Syntax

less [options] [file]

Provided by the less package. Run man less for the full manual.

Option	What it does
`-N`	Show line numbers
`-S`	Don't wrap long lines
`-i`	Case-insensitive search
`+F`	Follow the file like tail -f
`-R`	Show colours from command output

Open a file
```
less /var/log/syslog
```
Show line numbers
```
less -N app.log
```
Page through command output
```
journalctl | less
```
Follow a growing log (Ctrl+C to stop, F to resume)
```
less +F /var/log/nginx/access.log
```

Keep colours

grep --color=always error app.log | less -R

Inside less: /word searches forward, n next match, G end of file, g start, q quit.