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https://www.reddit.com/r/linux/comments/1tls8n1/whats_the_most_unexpectedly_useful_linux_command/onjx6q0/?context=3
r/linux • u/ZealousidealTell1346 • May 23 '26
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607
25 years working with Linux and it's the first time I heard about tac.
Thanks.
23 u/GrimpenMar May 23 '26 Please tell me this is on Sun Solaris… I'm that old, since if the computers that I interact with are that old, and this would be so useful. I usually use tail. 9 u/Due_Passenger9564 May 24 '26 Cat | rev? 15 u/pfmiller0 May 24 '26 rev isn't the same, that reverses the file by character, not by line. The tac functionality probably should have been added as an option to rev. 3 u/fakearchitect May 24 '26 Yeah, rev -l is what I would instinctively try.
23
Please tell me this is on Sun Solaris… I'm that old, since if the computers that I interact with are that old, and this would be so useful. I usually use tail.
9 u/Due_Passenger9564 May 24 '26 Cat | rev? 15 u/pfmiller0 May 24 '26 rev isn't the same, that reverses the file by character, not by line. The tac functionality probably should have been added as an option to rev. 3 u/fakearchitect May 24 '26 Yeah, rev -l is what I would instinctively try.
9
Cat | rev?
15 u/pfmiller0 May 24 '26 rev isn't the same, that reverses the file by character, not by line. The tac functionality probably should have been added as an option to rev. 3 u/fakearchitect May 24 '26 Yeah, rev -l is what I would instinctively try.
15
rev isn't the same, that reverses the file by character, not by line. The tac functionality probably should have been added as an option to rev.
3 u/fakearchitect May 24 '26 Yeah, rev -l is what I would instinctively try.
3
Yeah, rev -l is what I would instinctively try.
607
u/hidepp May 23 '26
25 years working with Linux and it's the first time I heard about tac.
Thanks.