15 obscure Linux commands

Each developer to a certain extent should master the skills of work in the terminal. Being physically at the computer is not always possible, so you have to connect remotely. Indeed, GUI programs can easily cope with this, but they often work more slowly than getting access through the same terminal (after all, this is just text exchange).

Regardless of whether you are a beginner or a guru, I’m sure you will find something useful among the tips and recommendations below.

1. man

Let's start with the simple, man command, which means manual. If you want to read about any team, just type:
')

man [command]

man':

man man

man — , Unix', .

, , ASCII-, :

man ascii

-, - -? :

man units

. . ( xkill). , .

2. cd -

, :

cd -

3. sudo !!

sudo Unix. sudo . sudo, , , :

sudo !!

.

4. mtr

mtr — . traceroute ping.

mtr [hostname]

5. [space] command

, , , ~/.bash_history.
, , .

[space] [command]

6. jot

jot . , , . , :

jot [ ] [ ]

, 1 .

:

jot -r [ ] [ ] [ ]

man jot

7. df

. (disk free)

8. pkill

pkill ( process kill) . , :

pkill [application_name]

/ , . , .

9. ddate

10. cal

- .

11. tac

, , cat. , , . tac , .

12. w

w , , , .

13. factor

factor :

factor [number]

14. yes

, yes :

yes [string]

, . , — CTRL + C (, )

15. nl

nl . . :



. ? ? , — ? 15/15 — .

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