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How can I quit an app using Terminal?

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11

2

I want to quit a certain applications on my Mac using Terminal. For example, how do I kill “Slack”? Do I need its PID number?

terminal mac

share|improve this question

edited 24 mins ago

Brainmaniac

asked 16 hours ago

BrainmaniacBrainmaniac

1906

• 
  
  
  

  
  6
  

  
  
  
  
  
  

  
  
  killall Slack works, I just tested...
  
  – Wowfunhappy
  16 hours ago
  

  
  
  
  

add a comment | 

11

2

I want to quit a certain applications on my Mac using Terminal. For example, how do I kill “Slack”? Do I need its PID number?

terminal mac

share|improve this question

edited 24 mins ago

Brainmaniac

asked 16 hours ago

BrainmaniacBrainmaniac

1906

• 
  
  
  

  
  6
  

  
  
  
  
  
  

  
  
  killall Slack works, I just tested...
  
  – Wowfunhappy
  16 hours ago
  

  
  
  
  

add a comment | 

I want to quit a certain applications on my Mac using Terminal. For example, how do I kill “Slack”? Do I need its PID number?

terminal mac

share|improve this question

edited 24 mins ago

Brainmaniac

asked 16 hours ago

BrainmaniacBrainmaniac

1906

share|improve this question

edited 24 mins ago

Brainmaniac

asked 16 hours ago

BrainmaniacBrainmaniac

1906

share|improve this question

edited 24 mins ago

Brainmaniac

asked 16 hours ago

BrainmaniacBrainmaniac

1906

asked 16 hours ago

BrainmaniacBrainmaniac

1906

asked 16 hours ago

BrainmaniacBrainmaniac

1906

4 Answers
4

active

oldest

votes

17

No, you do not need to know its PID.

You can use:

pkill Slack

Or:

killall Slack

---

Note: Be sure to read the manual page for whichever command you choose to use, in order to see the various options available to the command, as may be relevant to is particular usage. In Terminal type e.g. man pkill and press enter, or just type the command and right-click on it, then select: Open man Page

share|improve this answer

edited 8 hours ago

answered 16 hours ago

user3439894user3439894

28.4k64665

add a comment | 

4

You can install htop then click on the Slack process line and type k9

share|improve this answer

answered 13 hours ago

BEFioBEFio

411

New contributor

BEFio is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

add a comment | 

4

I'm not sure for Slack, but some Applications will run multiple Processes and you may want to kill just one (I find I often need to do this with iTunes, for example). In that case, you can run

ps -e | grep -i slack

To find all Processes with case-insensitive "slack" in the name. The output should look like (without the header):

PID TTY TIME CMD
649 pts/1 00:00:00 bash

That first column will be your PID. You can then use that to kill specifically that process:

kill -9 649

Replacing 649 with your PID you found from calling ps.

share|improve this answer

answered 11 hours ago

scohe001scohe001

31639

add a comment | 

2

Since I don't yet have the reputation to comment, I'm saying this as a separate answer. pkill without any flags does not match a specific process! For example, running pkill foo would target processes named foo, but would also target processes named foobar. This is because it uses regular expressions.

If you wish to kill a specific process, you can pass it the -x flag. For example, pkill -x foo. This will use exact names instead of regular expressions.

share|improve this answer

answered 8 hours ago

user321134user321134

333

add a comment | 

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17

No, you do not need to know its PID.

You can use:

pkill Slack

Or:

killall Slack

---

Note: Be sure to read the manual page for whichever command you choose to use, in order to see the various options available to the command, as may be relevant to is particular usage. In Terminal type e.g. man pkill and press enter, or just type the command and right-click on it, then select: Open man Page

share|improve this answer

edited 8 hours ago

answered 16 hours ago

user3439894user3439894

28.4k64665

add a comment | 

17

No, you do not need to know its PID.

You can use:

pkill Slack

Or:

killall Slack

---

Note: Be sure to read the manual page for whichever command you choose to use, in order to see the various options available to the command, as may be relevant to is particular usage. In Terminal type e.g. man pkill and press enter, or just type the command and right-click on it, then select: Open man Page

share|improve this answer

edited 8 hours ago

answered 16 hours ago

user3439894user3439894

28.4k64665

add a comment | 

No, you do not need to know its PID.

You can use:

pkill Slack

Or:

killall Slack

---

Note: Be sure to read the manual page for whichever command you choose to use, in order to see the various options available to the command, as may be relevant to is particular usage. In Terminal type e.g. man pkill and press enter, or just type the command and right-click on it, then select: Open man Page

share|improve this answer

edited 8 hours ago

answered 16 hours ago

user3439894user3439894

28.4k64665

pkill Slack

killall Slack

share|improve this answer

edited 8 hours ago

answered 16 hours ago

user3439894user3439894

28.4k64665

answered 16 hours ago

user3439894user3439894

28.4k64665

answered 16 hours ago

user3439894user3439894

28.4k64665

4

You can install htop then click on the Slack process line and type k9

share|improve this answer

answered 13 hours ago

BEFioBEFio

411

New contributor

BEFio is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

add a comment | 

4

You can install htop then click on the Slack process line and type k9

share|improve this answer

answered 13 hours ago

BEFioBEFio

411

New contributor

BEFio is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

add a comment | 

You can install htop then click on the Slack process line and type k9

share|improve this answer

answered 13 hours ago

BEFioBEFio

411

New contributor

BEFio is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this answer

answered 13 hours ago

BEFioBEFio

411

New contributor

BEFio is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 13 hours ago

BEFioBEFio

411

New contributor

BEFio is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 13 hours ago

BEFioBEFio

411

4

I'm not sure for Slack, but some Applications will run multiple Processes and you may want to kill just one (I find I often need to do this with iTunes, for example). In that case, you can run

ps -e | grep -i slack

To find all Processes with case-insensitive "slack" in the name. The output should look like (without the header):

PID TTY TIME CMD
649 pts/1 00:00:00 bash

That first column will be your PID. You can then use that to kill specifically that process:

kill -9 649

Replacing 649 with your PID you found from calling ps.

share|improve this answer

answered 11 hours ago

scohe001scohe001

31639

add a comment | 

4

I'm not sure for Slack, but some Applications will run multiple Processes and you may want to kill just one (I find I often need to do this with iTunes, for example). In that case, you can run

ps -e | grep -i slack

To find all Processes with case-insensitive "slack" in the name. The output should look like (without the header):

PID TTY TIME CMD
649 pts/1 00:00:00 bash

That first column will be your PID. You can then use that to kill specifically that process:

kill -9 649

Replacing 649 with your PID you found from calling ps.

share|improve this answer

answered 11 hours ago

scohe001scohe001

31639

add a comment | 

I'm not sure for Slack, but some Applications will run multiple Processes and you may want to kill just one (I find I often need to do this with iTunes, for example). In that case, you can run

ps -e | grep -i slack

To find all Processes with case-insensitive "slack" in the name. The output should look like (without the header):

PID TTY TIME CMD
649 pts/1 00:00:00 bash

That first column will be your PID. You can then use that to kill specifically that process:

kill -9 649

Replacing 649 with your PID you found from calling ps.

share|improve this answer

answered 11 hours ago

scohe001scohe001

31639

ps -e | grep -i slack

PID TTY TIME CMD
649 pts/1 00:00:00 bash

kill -9 649

share|improve this answer

answered 11 hours ago

scohe001scohe001

31639

answered 11 hours ago

scohe001scohe001

31639

answered 11 hours ago

scohe001scohe001

31639

2

Since I don't yet have the reputation to comment, I'm saying this as a separate answer. pkill without any flags does not match a specific process! For example, running pkill foo would target processes named foo, but would also target processes named foobar. This is because it uses regular expressions.

If you wish to kill a specific process, you can pass it the -x flag. For example, pkill -x foo. This will use exact names instead of regular expressions.

share|improve this answer

answered 8 hours ago

user321134user321134

333

add a comment | 

2

Since I don't yet have the reputation to comment, I'm saying this as a separate answer. pkill without any flags does not match a specific process! For example, running pkill foo would target processes named foo, but would also target processes named foobar. This is because it uses regular expressions.

If you wish to kill a specific process, you can pass it the -x flag. For example, pkill -x foo. This will use exact names instead of regular expressions.

share|improve this answer

answered 8 hours ago

user321134user321134

333

add a comment | 

Since I don't yet have the reputation to comment, I'm saying this as a separate answer. pkill without any flags does not match a specific process! For example, running pkill foo would target processes named foo, but would also target processes named foobar. This is because it uses regular expressions.

If you wish to kill a specific process, you can pass it the -x flag. For example, pkill -x foo. This will use exact names instead of regular expressions.

share|improve this answer

answered 8 hours ago

user321134user321134

333

share|improve this answer

answered 8 hours ago

user321134user321134

333

answered 8 hours ago

user321134user321134

333

answered 8 hours ago

user321134user321134

333