[Shell: view and work with file contents] #more #less #cat #head #tail #wc #sh

text.sh

##### cat (SHOW ALL FILE CONTENTS) #####
cat <file> # shows all file contents
cat <enter>...<ctrl+d> # echos whatever is typed after enter (useful for redirecting stdin)

##### less/more (PAGERS) #####
less <file> # more advanced version of `more`; allows vim navigation

##### head/tail (PARTIAL CONTENTS) #####
# Normal indexing (GNU/UNIX)
head -n 5 <file> # first 5 lines (defaults to 10) == `head -5 <file>`
tail -n 3 <file> # last "	"	"	"	" == `tail -3 <file>`
# Negative indexing (GNU only)
head -n -15 <file> # show all but the last 15 lines
# Positive indexing (GNU only)
tail -n +8 <file> # show all lines after line no. 8
tail -f <file> # follow/show file contents as it grows 

#### wc (WORD, LINE, BYTE/CHAR COUNT) #####
wc <file-1> <file-2>