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New posts in unix

How to replace one character with two characters using tr

shell unix tr

"Illegal option" error when using find on macOS

macos bash shell unix find

what does terminal command: ls -l show?

macos unix terminal ls

Why fork() before setsid()

c linux system unix

How can I parse CSV files on the Linux command line? [closed]

linux unix csv

Redirecting TCP-traffic to a UNIX domain socket under Linux

Printing only the first field in a string

unix sed awk field cut

compare contents of two directories on remote server using unix

unix diff ksh rsync vimdiff

Performing grep operation in tar files without extracting

unix

How to convert a tab-separated file into a comma-separated file?

csv unix

Delete all SYSTEM V shared memory and semaphores on UNIX-like systems

Which program creates a C array given any file?

c linux arrays unix

What is available and free memory in response of free command on Linux? [closed]

What is the difference between Ctrl-C and SIGINT?

Does bash have a way to un-export a variable without unsetting it?

bash shell unix sh environment

Hide/encrypt password in bash file to stop accidentally seeing it

security bash unix passwords

Questions about putenv() and setenv()

How can I use the UNIX shell to count the number of times a letter appears in a text file?

unix word-count

How to recursively copy directories starting with "abc" on Linux/Unix?

linux unix copy rsync

How to merge two files using AWK? [duplicate]

linux bash unix awk