Linux cut by column

Linux splits cut by column to get data by column. for example, in the ps command, I want to get the UID column. Use ps | cut-c44-47. Shell code $ pspidppidpgidwinpidttyuidstimecommand5204...
Linux splits cut by column to get data by column. for example, in the ps command, I want to get the UID column. Use ps | cut-c 44-47. Shell code $ ps pid ppid pgid winpid tty uid stime command 5204 1 5204 con 5204 11:53:47/bin/sh 500 4716 5204 4716 con 2724 11:54:05/bin/ps www.2cto.com Shell code $ ps | cut-c 44-47 UID 500 500 500 cut has several common parameters, -c specifies the Start character position,-B specifies the start byte location, and-f specifies the start to split the node location. Cut -- help Sehll code $ cut -- help Usage: cut [OPTION]... [FILE]... print selected parts of lines from each FILE to standard output. -B, -- bytes = LIST output only these bytes-c, -- characters = LIST output only these characters-d, -- delimiter = DELIM use DELIM instead of TAB for field delimiter-f, -- fields = LIST output only these fields-n (ignored)-s, -- only-delimited do not print lines not containing delimiters -- output-delimiter = STRING use STRING as the output delimiter the default is to use the input delimiter -- help display this help and exit -- version output version information and exit www.2cto.com Use one, and only one of-B,-c or-f. each LIST is made up of one range, or specified ranges separated by commas. each range is one of: N 'th byte, character or field, counted from 1 N-from n' th byte, character or field, to end of line N-M from N 'th to M' th (sorted Ded) byte, character or field-M from first to M' th (sorted Ded) byte, character or field With no FILE, or when FILE is-, read standard input. report bugs .