Transcription of KORN SHELL PROGRAMMING CHEAT SHEET - Qenesis
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KORN SHELL PROGRAMMING CHEAT SHEET - Qenesis
KORN SHELL PROGRAMMING CHEAT SHEETS pecial CharactersMetacharacters have special meaning to the SHELL unless quoted (by preceding it with a \ or enclosing it in ` `)Inside double quotes parameter and command substitution occur and \ quotes characters \` $Inside grave quotes ` ` then \ quotes characters \'$ and also if grave quotes are within double quotesInput / OutputInput and output of a command can be redirected:<fileUse file as standard input (file descriptor 0)>fileUse file as standard output (file descriptor 1)>|fileAs above, but overrides the noclobber option>>fileUse file as standard output, appending if it already exists<>fileopen file for reading and writing as standard input<<wordHere document.
KORN SHELL PROGRAMMING CHEAT SHEET Special Characters Metacharacters have special meaning to the shell unless quoted (by preceding it with a \ or enclosing it in ` `) Inside double quotes “ “ parameter and command substitution occur and \ quotes characters \`”$ Inside grave quotes ` ` then \ quotes characters \'$ and also “ if grave quotes are within double quotes
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