Keep specific command away from shell history
113716
exclude specific commands from saving into history
55282
Block a command from sudo user
21593
How to clear bash history completely?
31134
Where is bash's history stored?
20429
How to avoid duplicate entries in .bash_history
140398
Temporarily suspend bash_history on a given shell?
143363
Use grep --exclude/--include syntax to not grep through certain files
16345
Can I redefine a command to contain itself?
117820
Is it possible to reverse a command in the bash shell?
17476
Is there a way to hide commands by a player?
112614
How to just call a command and not get its output
130440
Suppress banner for `ssh` or `scp`
11568
Hide some commands from bash completion?
119039
Bash history handling with multiple terminals
59255
Entries I can safely exclude doing backups
101445
Retain side-effects but discard command output
73857
Quick-and-dirty way to ensure only one instance of a shell script is running at a time