Section 1: user commands and tools
NAME scp – OpenSSH secure file copy SYNOPSIS scp [-346ABCOpqRrsTv [-c cipher ] ] [-D sftp_server_path ] [-F ssh_config ] [-i identity_file ] [-J destination ] [-l limit ] [-o ssh_option ] [-P port ] [-S program ] source … target DESCRIPTION scp copies files between hosts on a network. It uses ssh(1) for data…
NAME ssh – OpenSSH remote login client SYNOPSIS ssh [-46AaCfGgKkMNnqsTtVvXxYy [-B bind_interface ] ] [-b bind_address ] [-c cipher_spec ] [-D [bind_address : port ] ] [-E log_file ] [-e escape_char ] [-F configfile ] [-I pkcs11 ] [-i identity_file ] [-J destination ] [-L address ] [-l login_name ] [-m mac_spec ] [-O ctl_cmd…
NAME tar – an archiving utility SYNOPSIS Traditional usage tar {A|c|d|r|t|u|x}[GnSkUWOmpsMBiajJzZhPlRvwo] [ARG…] UNIX-style usage tar -A [OPTIONS] ARCHIVE ARCHIVE tar -c [-f ARCHIVE] [OPTIONS] [FILE…] tar -d [-f ARCHIVE] [OPTIONS] [FILE…] tar -t [-f ARCHIVE] [OPTIONS] [MEMBER…] tar -r [-f ARCHIVE] [OPTIONS] [FILE…] tar -u [-f ARCHIVE] [OPTIONS] [FILE…] tar -x [-f ARCHIVE] [OPTIONS] [MEMBER…]…
NAME tail – output the last part of files SYNOPSIS tail [,OPTION/]… [,FILE/]… DESCRIPTION Print the last 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options…
NAME sed – stream editor for filtering and transforming text SYNOPSIS sed [OPTION]… {script-only-if-no-other-script} [input-file]… DESCRIPTION Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor which permits scripted edits (such…
NAME gawk – pattern scanning and processing language SYNOPSIS gawk [ POSIX or GNU style options ] -f program-file [ — ] file … gawk [ POSIX or GNU style options ] [ — ] program-text file … DESCRIPTION Gawk is the GNU Project’s implementation of the AWK programming language. It conforms to the definition…
rm – remove files or directories Synopsis rm [,OPTION/]… [,FILE/]… Description This manual page documents the GNU version of rm. rm removes each specified file. By default, it does not remove directories. If the -I or –interactive=once option is given, and there are more than three files or the -r, -R, or –recursive are given,…
ps – report a snapshot of the current processes. Synopsis ps [,options/] Description ps displays information about a selection of the active processes. If you want a repetitive update of the selection and the displayed information, use top instead. This version of ps accepts several kinds of options: 1 UNIX options, which may be grouped…
less – opposite of more Synopsis less -? less –help less -V less –version less [-[+]aABcCdeEfFgGiIJKLmMnNqQrRsSuUVwWX~] [-b space/] [-h lines/] [-j line/] [-k keyfile/] [-{oO} logfile/] [-p pattern/] [-P prompt/] [-t tag/] [-T tagsfile/] [-x tab/,…] [-y lines/] [-[z] lines/] [-# shift/] [+[+]cmd/] [–] [filename/]… (See the OPTIONS section for alternate option syntax with long…
NAME sort – sort lines of text files SYNOPSIS sort [,OPTION/]… [,FILE/]… sort [,OPTION/]… ,–files0-from=F/ DESCRIPTION Write sorted concatenation of all FILE(s) to standard output. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. Ordering options: -b, –ignore-leading-blanks ignore leading blanks -d,…
NAME rm – remove files or directories SYNOPSIS rm [,OPTION/]… [,FILE/]… DESCRIPTION This manual page documents the GNU version of rm. rm removes each specified file. By default, it does not remove directories. If the -I or –interactive=once option is given, and there are more than three files or the -r, -R, or –recursive are…
NAME ps – report a snapshot of the current processes. SYNOPSIS ps [,options/] DESCRIPTION ps displays information about a selection of the active processes. If you want a repetitive update of the selection and the displayed information, use top instead. This version of ps accepts several kinds of options: 1 UNIX options, which may be…
NAME mv – move (rename) files SYNOPSIS mv [,OPTION/]… [,-T/] ,SOURCE DEST/ mv [,OPTION/]… ,SOURCE/… ,DIRECTORY/ mv [,OPTION/]… ,-t DIRECTORY SOURCE/… DESCRIPTION Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY. Mandatory arguments to long options are mandatory for short options too. –backup[=,CONTROL/] make a backup of each existing destination file -b like –backup but…
NAME mkdir – make directories SYNOPSIS mkdir [,OPTION/]… ,DIRECTORY/… DESCRIPTION Create the DIRECTORY(ies), if they do not already exist. Mandatory arguments to long options are mandatory for short options too. -m, –mode=,MODE/ set file mode (as in chmod), not a=rwx – umask -p, –parents no error if existing, make parent directories as needed -v, –verbose…
NAME less – opposite of more SYNOPSIS less -? less –help less -V less –version less [-[+]aABcCdeEfFgGiIJKLmMnNqQrRsSuUVwWX~] [-b space/] [-h lines/] [-j line/] [-k keyfile/] [-{oO} logfile/] [-p pattern/] [-P prompt/] [-t tag/] [-T tagsfile/] [-x tab/,…] [-y lines/] [-[z] lines/] [-# shift/] [+[+]cmd/] [–] [filename/]… (See the OPTIONS section for alternate option syntax with…
NAME kill – send a signal to a process SYNOPSIS kill [options] <pid> […] DESCRIPTION The default signal for kill is TERM. Use -l or -L to list available signals. Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0. Alternate signals may be specified in three ways: -9, -SIGKILL or -KILL. Negative PID…
NAME head – output the first part of files SYNOPSIS head [,OPTION/]… [,FILE/]… DESCRIPTION Print the first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options…
NAME gzip, gunzip, zcat – compress or expand files SYNOPSIS gzip [ -acdfhklLnNrtvV19 ] [-S suffix] [ name … ] gunzip [ -acfhklLnNrtvV ] [-S suffix] [ name … ] zcat [ -fhLV ] [ name … ] DESCRIPTION Gzip reduces the size of the named files using Lempel-Ziv coding (LZ77). Whenever possible, each file…
NAME find – search for files in a directory hierarchy SYNOPSIS find [-H] [-L] [-P] [-D debugopts] [-Olevel] [starting-point…] [expression] DESCRIPTION This manual page documents the GNU version of find. GNU find searches the directory tree rooted at each given starting-point by evaluating the given expression from left to right, according to the rules of…
NAME diff – compare files line by line SYNOPSIS diff [OPTION]… FILES DESCRIPTION Compare FILES line by line. Mandatory arguments to long options are mandatory for short options too. –normal output a normal diff (the default) -q, –brief report only when files differ -s, –report-identical-files report when two files are the same -c, -C NUM,…